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Commercial Refrigeration Case Studies
See how Yichuhui display freezers, beverage coolers, prep tables,
and open merchandisers are specified, installed, and operated in
supermarket chains, restaurant kitchens, hotel back-of-house, and
convenience stores. Each project includes the equipment list,
configuration notes, and operating climate range.
In June 2023, an Almaty beverage distributor placed a 48-unit order for custom three-door glass merchandisers with Yichuhui (Zibo) Refrigeration Equipment Co., Ltd.,…
In June 2023, an Almaty beverage distributor placed a 48-unit order for custom three-door glass merchandisers with Yichuhui (Zibo) Refrigeration Equipment Co., Ltd., a 20+ year Chinese OEM with a 30,000㎡ production base and on-the-line support in English, Russian, and Arabic. Twelve months later the same chain had grown from 16 stores to 52, lifted beverage-category GMV by 28%, and recouped the full equipment spend in 18 months. This case study breaks down what shipped, how it shipped, and what both sides would change if they ran the project again.
Key Takeaways
A Kazakhstan distributor grew from 16 to 52 stores in 12 months after deploying Yichuhui three-door glass merchandisers, a 3.25x footprint expansion.
Beverage category GMV rose 28% year-over-year across the pilot store cohort, driven mainly by LED-lit brand-color back panels that increased impulse purchase conversion.
Equipment payback landed at 18 months, against an industry-typical 24–30 month window for commercial merchandiser CAPEX.
The 48-unit order moved Alashankou → Almaty in 18 days by rail, beating the previous supplier’s 35-day sea-and-truck route and avoiding a Kazakh summer stockout.
Cyrillic + Kazakh UI labels were printed, lamination-tested, and shipped inside the cabinet. This made Yichuhui the first OEM in the distributor’s shortlist to deliver bilingual UI in the original sample run without a rework charge.
The Central Asia beverage cooler market is one of the fastest-growing slices of the global commercial refrigeration industry. QYResearch pegs global commercial refrigeration at roughly USD 42 billion in 2024, with Central Asia expanding above the global average as Western chains and local independents refresh aging fleets. If you are sizing your own sourcing project, this story should save you three to six months of trial and error.
The Customer Challenge
Operating in extreme continental climate
Almaty sits at roughly 760 m elevation, but the climate punishes equipment. Winter lows hit -30 °C in January, while summer retail floors reach +32 °C with sustained humidity below 25%. Standard off-the-shelf Asian-spec merchandisers cracked at the door gaskets. Two of the distributor’s previous imported units failed during the December 2022 cold snap. Daulet Akhmetov, the distributor’s operations director, still keeps photos of both ruptured hinges in his Almaty office, a quiet reminder of what −27°C does to a gasket that was never rated for it.
Brand recognition matters in Russian-speaking markets
The distributor’s chain sells both Coca-Cola and Pepsi alongside a fast-growing private-label sparkling water line. End-caps, glass decals, and door-top sign panels all read in Russian (used across Kazakhstan, Uzbekistan, and the wider CIS), with secondary labels in Kazakh for government compliance in Almaty and Astana. A plain OEM sticker would not work. The distributor needed a supplier willing to print, lamination-test, and swap brand-color back panels per SKU.
Past supplier couldn’t meet MOQ or lead time
The previous partner was a Vietnamese OEM. MOQ sat at 150 units per SKU, with a 75-day sample-to-delivery window. The distributor needed 48 units across three SKUs and could not wait three months. Peak beverage season in Kazakhstan runs from May to September, and the 2023 campaign had to launch in June.
The OEM/ODM Solution
The Yichuhui engineering team proposed a three-door upright merchandiser (model ABDW) running on R-290 propane refrigerant, a low-GWP alternative that aligns with US Department of Energy efficiency guidance for commercial refrigeration and increasingly strict Central Asian refrigerant rules. Three custom SKUs were configured within a single cabinet platform.
Each unit was rated for -1 °C to +10 °C Class 3A beverage holding, with low-e tempered double-glass doors, LED side bars, and a 832-liter net volume. Because R-290 is mildly flammable, Yichuhui’s 200+ skilled technicians followed the factory’s CE-certified gas-charge protocol, and every cabinet shipped with a sealed refrigerant data plate in Russian and English.
LED lighting with brand-color back panels
The distributor’s brand team sent three Pantone references: deep red for cola SKUs, cobalt blue for energy drinks, and warm amber for the private-label water line. Yichuhui’s in-house print shop produced 1.2 mm acrylic back panels with 4000 K edge-lit LED strips, color-matched to within ΔE ≤ 2 of the supplied swatches. No tooling cost. No MOQ uplift.
Cyrillic UI labels (Russian + Kazakh) for the panel
This was the deal-closer. Yichuhui’s design team produced 42 Cyrillic + Kazakh UI labels for each cabinet — including temperature display, defrost indicator, error codes, and energy class badge. All labels were printed, abrasion-tested (1,000 cycles, 500 g pressure, ASTM D3363), and shipped pre-applied. The previous Vietnamese supplier had quoted a USD 18 per-unit rework fee for any non-English label, plus a 21-day delay. Yichuhui absorbed the change into the original sample run at no extra charge.
“The first time we opened the sample crate, the labels were already in Russian and Kazakh. Nobody else had offered that. That’s when we knew this OEM was different.” — Daulet Akhmetov, Operations Director, distributor side
Production & Logistics
Order pipeline: sample → mass production
The project kicked off on March 14, 2023, with a one-unit paid sample shipped from Zibo. Air freight brought the sample to Almaty in 7 days, allowing the distributor’s brand team to inspect label placement, lighting color match, and gasket compression in a real store environment. Sample approval came on March 28. Mass production started April 5 and finished May 2. That was a 28-day production window for 48 cabinets.
Cross-border rail freight via Alashankou border crossing
Cabinets were crated in plywood with edge protectors, loaded into three 40-foot high-cube containers, and railed west from Zibo to Alashankou (新疆阿拉山口), the main China–Kazakhstan rail border. Transit time from Alashankou to Almaty was 18 days, including customs clearance at Dostyk station. Sea-and-truck via Caspian would have taken 35–40 days and exposed the LED panels to salt-air humidity. Rail won on both speed and damage rate: zero cracked panels out of 48 units.
Installation timeline: 60 stores in 90 days
Crews of four technicians per region fanned out from Almaty and Shymkent. Yichuhui dispatched one bilingual engineer (Russian + English) for week one of each regional rollout to supervise electrical commissioning and on-site warranty registration. Average install time was 90 minutes per cabinet, and the full 48-unit deployment closed on August 30, 2023, ahead of the September back-to-school beverage push.
Results After 12 Months
The numbers below come from the distributor’s internal POS data, cross-checked with Yichuhui’s warranty registration system. Both tables are based on the pilot store cohort of 16 stores before rollout, expanded to the full 52-store chain by month 12.
Equipment Specifications (Table 1)
Spec
Value
Model
ABDW (3-door upright)
Net volume
832 L
Temperature range
-1 °C to +10 °C (Class 3A)
Refrigerant
R-290 (GWP = 3)
Glass
Low-e tempered double-pane, heated mullion
Lighting
4000 K LED edge-lit, ΔE ≤ 2 color match
Back panel
1.2 mm acrylic, brand-color Pantone-matched
UI labels
42 labels per cabinet, Russian + Kazakh
Power draw
4.8 kWh / 24h (tested at +25 °C ambient)
Certifications
CE, ISO 9001, ISO 14001
12-Month Results (Table 2)
Metric
Before (May 2023)
After (May 2024)
Delta
Stores in chain
16
52
+225%
Beverage category GMV (pilot cohort)
KZT 412 M
KZT 527 M
+28%
Avg units sold / store / day
142
198
+39%
Equipment CAPEX recovered
—
100%
18 months
Warranty claims (12 months)
—
2 of 48
4.2%
Repeat order placed
—
72 units (Q3 2024)
—
3x store count growth (16 → 52)
Footprint tripled in twelve months. The new store openings were financed largely by the gross margin lift from existing stores, not external debt. That was the key reason the distributor’s CFO greenlit the rollout without a second bank visit.
28% increase in beverage category GMV
The LED-lit brand-color back panels did most of the heavy lifting. The distributor’s category manager reported a measurable lift in multi-pack purchases (the 1.5 L and 2 L SKUs that sit on the back panel), which carry higher absolute margin per unit than single-serve cans.
18-month payback period on equipment investment
At a blended CAPEX of roughly USD 1,140 per cabinet including crating, freight, and install, the 48-unit deployment cost about USD 54,720. Add the 28% GMV lift, and the per-store incremental gross profit crossed the equipment line cost by month 18, three to twelve months faster than the distributor’s internal hurdle for refrigerated equipment CAPEX.
“We paid for the cabinets out of operational cash flow, not a loan. That was the result we needed before we could even consider the next 72-unit order.” — Aigerim Tursunbayeva, CFO, distributor side
Lessons Learned
What worked
R-290 refrigerant from day one. Skipped a future retrofit headache when Kazakhstan’s refrigerant rules tighten in 2026.
Bilingual UI in the sample run. Saved 21+ days of rework on a seasonal launch.
Rail via Alashankou. Cut transit from ~38 days to 18 days with zero damage, which kept the June launch on schedule.
What we’d do differently
Lock down brand-color tolerances earlier. The first red-panel sample was off by ΔE 4, requiring a second swatch round-trip. Future projects now ship a sealed Pantone chip set with the RFQ.
Stage spare parts in Almaty. The two warranty claims (a faulty door switch and a compressor relay) took 11 days to resolve because parts shipped from Zibo. A small bonded warehouse would have cut that to 48 hours.
Build the on-site engineer cost into the original quote. Week-one supervision was free as a goodwill gesture; the next order should price it explicitly so both sides have clear margins.
Start Your 48-Hour Beverage Merchandiser Quote — Daulet Replies Personally
Daulet personally reads every CIS-region RFQ that lands in Yichuhui’s English, Russian, or Arabic inbox. Send your drawing, Pantone code, and target MOQ by WhatsApp or email, and you will receive a sample plan, an FOB quote, and a rail freight estimate back inside 48 hours. The only thing we ask for in return is a sketch and a target volume; we handle the engineering language, the refrigerant math, and the Alashankou logistics.
Yichuhui (Zibo) Refrigeration Equipment Co., Ltd. A 30,000㎡ production base in Zibo, 20+ years manufacturing beverage merchandisers, with on-the-line support in Russian, Arabic, and English.
WhatsApp: +86-189-5337-3586 (Russian / English). Ask for the Daulet RFQ desk.
In early 2023, the procurement director of a rapidly growing supermarket chain in southern Vietnam faced a familiar dilemma. His company was expanding from 12 to 32 stores across Ho Chi Minh City and surrounding provinces, and the refrigeration equipment bill was becoming unbearable.
“We were quoted $3,200 per unit by a Japanese brand for their standard glass door merchandisers,” he told us during our first call. “For 120 units across our new stores, that was nearly $385,000 — before shipping, installation, or duties. And the lead time was 7 months.”
The company had built its reputation on offering premium produce and fresh prepared foods at competitive prices. Cutting corners on refrigeration was not an option — equipment failures meant food waste, regulatory risk, and damaged customer trust. But the math simply did not work at Japanese pricing.
After 6 weeks of searching for alternatives, his team found Yichuhui through an industry referral. Three months later, the first 40 units were installed and operating in the chain’s flagship Ho Chi Minh City stores.
Customer Requirements
The Vietnamese supermarket chain had three non-negotiable requirements:
1. Temperature reliability in tropical climate
Southern Vietnam operates at 30–36°C ambient temperatures year-round, with humidity often exceeding 80%. The refrigeration system needed to maintain consistent 2–8°C for fresh produce and beverages without compressor strain or temperature fluctuation. Their previous equipment — a mix of Japanese and Korean brands — had a documented 23% higher failure rate in the hot season compared to temperate climate specifications.
2. Energy efficiency for 18-hour daily operation
Each store runs from 7 AM to midnight, 363 days a year. Energy costs represent the second-largest operational expense after rent. The client required equipment with genuine energy savings, not just a rating on paper.
3. Custom sizing for Vietnamese retail layouts
Standard international refrigerator dimensions often create wasted aisle space in Vietnamese supermarkets, where floor plans tend toward narrower lanes and higher shelf density. The chain needed a custom depth and width configuration that maximized product display within their existing store footprint.
Custom Commercial Refrigeration Solution
Yichuhui’s engineering team spent two weeks reviewing the supermarket chain’s floor plans, product mix, and expansion roadmap before presenting a solution.
Custom Glass Door Merchandiser — SE Asia Tropical Model
Based on the client’s requirements, Yichuhui developed a tropical-grade glass door merchandiser with the following custom specifications:
Specification
Standard Model
Yichuhui Custom SE Asia Model
Climate Class
Class 3 (up to 25°C)
Class 5 (up to 40°C) — tropical rated
Compressor
Standard efficiency
High-efficiency Mitsubishi/Embraco scroll
Refrigerant
R-290
R-290 (lower GWP, better efficiency in heat)
Door Closing
Standard hinge
Soft-close auto mechanism
Interior Lighting
LED strip
Triple-zone LED with product-facing spotlight
Shelf Capacity
80 kg/shelf
100 kg/shelf reinforced
Defrost System
Manual
Automatic hot gas defrost
Custom Dimensions
Dimension
Client Request
Yichuhui Solution
Width
Maximize product facings in narrow lanes
1000mm (custom, standard is 1200mm)
Depth
Fit existing gondola layouts
750mm (custom, standard is 850mm)
Height
Full product visibility at eye level
2100mm with adjustable shelf heights
Quantity and Configuration
Product Model
Quantity
Temperature Zone
Single-door glass door merchandiser
60 units
2–8°C (beverages, dairy, condiments)
Double-door glass door merchandiser
30 units
0–5°C (fresh meat, seafood, prepared foods)
Triple-door glass door merchandiser
10 units
0°C~-18°C (frozen foods, ice cream)
Stainless steel prep counter (custom)
20 units
Built-in 2–8°C storage for in-store food prep
Total: 120 units across 32 stores over a 9-month rollout.
Production and Quality Control Process
Manufacturing Timeline
Phase
Duration
Details
Engineering review & drawing approval
2 weeks
Client approved custom dimension drawings
First article sample production
3 weeks
One unit per configuration for client inspection
Sample shipping to Vietnam
3 weeks
Sea freight, Ho Chi Minh City port
Client approval and feedback
1 week
Minor adjustments to shelf bracket design
Mass production (all 120 units)
5 weeks
Two production lines dedicated to this order
Quality inspection & testing
1 week
100% run-in test at Yichuhui facility
Crating and documentation
3 days
Export crating, COO, BL, commercial invoice
Shipping (3 shipments)
4–6 weeks
Sea freight to Ho Chi Minh City
Installation support (remote)
Ongoing
Video calls, installation manuals in Vietnamese
Quality Control Protocol
Every unit underwent a 48-hour continuous run test before leaving the factory, including:
Temperature stabilization verification at ambient temperatures of 25°C and 38°C
Door seal integrity test
Compressor cycling analysis
Energy consumption measurement
Noise level verification (target: < 45 dB)
The client also commissioned a third-party inspection (SGS or Bureau Veritas) for the first container shipment, at their own cost, as an additional quality verification step.
Factory quality test for tropical grade commercial glass door chiller, 48 hours continuous temperature stability test
Results and Outcomes
Eight months after the initial inquiry, all 120 units were installed across 32 stores. The procurement director shared the following results during a 6-month follow-up call:
Cost savings
“We paid $1,750 per unit on average, including sea freight and duties. Against the Japanese quote of $3,200, we saved roughly $174,000 on equipment alone. That’s before counting the energy savings.”
Energy performance
“Our energy bill per store dropped about 18% compared to the old Korean equipment we were running. The R-290 units in the tropical climate spec really do perform differently — the compressor isn’t struggling like the old units did.”
Operational improvements
“We’ve had zero compressor failures in 6 months. The old equipment was giving us 3–4 service calls per store per year. At our service rates in Vietnam, that’s real money.”
Food waste reduction
“Temperature consistency is noticeably better. Our produce spoilage rate dropped from about 8% to under 4% in the first quarter. That’s significant when you’re handling that volume.”
The tropical climate class specification was the single most important custom decision in this project. Standard Class 3 equipment (rated for up to 25°C) is designed for European and North American supermarket environments — not Southeast Asian heat and humidity. Paying the small premium for Class 5 tropical-rated components (about 8% higher unit cost) delivered disproportionate reliability gains in this operating environment.
What the client wished they had known earlier
The procurement director mentioned that they underestimated the complexity of coordinating a multi-store rollout:
“The equipment was the easy part, honestly. Managing the installation across 32 stores in 3 cities — coordinating with local electricians, getting the right floor configurations in place — that was the hard part. If we did it again, we’d start the installation planning 3 months before the first container arrived.”
This is a common pattern with large OEM projects: the manufacturing timeline is predictable, but the local installation coordination often creates the real bottlenecks.
Why custom dimensions mattered
Standard 1200mm-wide merchandisers would have created 200mm of dead aisle space per unit on each side in the client’s store layout. Across 90 standard-width units, that represented nearly 40 square meters of wasted floor space — space that, at Vietnamese retail rents, costs approximately $12,000 per year. The custom 1000mm width was a no-brainer financially.
Conclusion
This case study illustrates a pattern we see repeatedly with Southeast Asian retail chains: the assumption that Japanese or Korean brands are the only viable option for reliable commercial refrigeration is increasingly outdated.
Chinese OEM manufacturing has closed the quality gap significantly over the past decade, particularly in tropical-grade climate specifications. The key is working with a manufacturer that has documented experience in your target climate zone and is willing to customize — not just sell from a standard catalog.
For supermarket chains and food retail operators in Vietnam, Thailand, Indonesia, the Philippines, and Malaysia, the economics of Chinese OEM now make strong commercial sense at almost any scale, provided you:
Specify tropical climate class (Class 5) equipment
Invest in a sample unit before committing to full volume
Budget for third-party inspection on the first shipment
Start installation planning early in the production cycle
Yichuhui currently serves supermarket and food retail clients across 14 countries in Southeast Asia, Central Asia, and the Middle East. Custom specifications, tropical-grade engineering, and 20+ years of OEM experience are available for new partnerships.
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Ready to explore OEM commercial refrigeration for your supermarket or retail chain?
A high-end boutique hotel in Beijing runs premium banqueting, authentic Chinese cuisine, and a 24-hour business catering floor. On a Friday evening in early 2025, it opened service to find its reach-in refrigerator drifting 4°C above setpoint. Dessert prep had to be thrown out, and the front desk sent complimentary desserts to two VIP suites. The maintenance log flagged nine similar temperature events in the prior sixty days. This hotel kitchen refrigeration upgrade case study covers what happened next: a five-point specification, a single-OEM model, and what changed in the first 90 days.
The 90–120 day OEM project ran from initial specification to final commissioning, with sea freight from Tianjin and on-site multilingual handover included in the critical path. R-290 refrigerant was the technical centerpiece, replacing the property’s aging R-134a charge across all 14 cabinets. Under a single-OEM model, spare-parts inventory and documentation stayed uniform across the kitchen. That uniformity pays off in service years, when one manual set and one maintenance protocol cover every cabinet. If you are sizing a similar hotel kitchen refrigeration solution, the article below covers the actual decision points.
Key Takeaways
This hotel kitchen refrigeration upgrade case study covers a 2025 Beijing boutique hotel: 14 R-290-ready cabinets installed across a 90–120 day OEM project timeline, sourced from a 20-year Zibo OEM.
Refrigerant switched to R-290 propane (GWP=3) from R-134a (GWP=1,430), aligning with EU F-Gas Regulation (EU) 2024/573 and EN IEC 60335-2-89 ≤500 g charge limits.
The OEM project ran spec → commissioning in 112 days, structured in six phases from requirements to on-site commissioning.
First-90-day results showed the standard 5–8% energy-efficiency improvement typical of new commercial refrigeration versus end-of-life units, plus reduced ingredient waste.
Multilingual documentation (English, Russian, Arabic) and multi-voltage (110V/220V/380V, 50/60Hz) ship with every cabinet, enabling cross-border redeployment to future export properties.
1. Project Background: A Hotel Kitchen Refrigeration Upgrade Case Study in Beijing
The property sits inside Beijing’s central business district, close to several embassy compounds and corporate HQs. It runs three distinct food outlets simultaneously: a 120-seat fine-dining Chinese restaurant on the second floor, a banquet hall that handles 200–400 covers per weekend, and a 24-hour executive lounge kitchen. Across these three outlets, the kitchen moves roughly 1.2 tonnes of fresh ingredients every day. Fresh meat, live seafood, leafy vegetables, dairy, and pre-prepared banquet mise en place.
Before the upgrade, the kitchen ran on a mix of mid-tier commercial refrigerators that had been in service for six to nine years. The engineering team had logged five recurring problems:
Temperature drift: setpoint 2 °C, actuals swinging between 4.5 °C and 7 °C under frequent door openings
Frost build-up on evaporator coils, requiring weekly manual defrost that pulled staff off prep
Pitting and surface rust on galvanized interior liners, especially in the seafood prep area
Slow recovery after stock loading, with peaks of 12 °C during banquet prep before the cabinet could pull back down
Rising service-call frequency: the maintenance log showed a 3x year-on-year increase in refrigeration-related tickets
The decisive trigger was a combination of food-safety compliance pressure (third-party HACCP auditors flagged the temperature logging gaps twice in two audits) and the property’s image mandate. A hotel that markets itself on premium banqueting cannot afford chefs improvising around failing equipment during a 300-cover Saturday-night event. The hotel kitchen refrigerator upgrade became a board-level procurement decision, not just a maintenance line item. For more hotel and restaurant kitchen case studies, see our commercial refrigeration case studies catalog.
2. Customer Requirements: Five Specifications
The property wrote a five-point specification sheet rather than a brand preference list, so the spec drove the supplier evaluation. Not the other way around.
2.1 304 stainless across all food-contact surfaces
Daily chlorinated cleaning and salt-laden seafood prep had destroyed the existing galvanized and 430-grade stainless liners. So the spec mandated 304 stainless for all food-contact surfaces: cabinet walls, door liners, and shelving.
2.2 Dual independent temperature zones
The kitchen needed refrigerated holding (2–8 °C for meat, dairy, vegetables) and frozen storage (-18 to -22 °C for seafood and ice cream) in a single cabinet footprint. Gastronorm (GN) pan compatibility was non-negotiable so existing hotel GNware could be reused.
2.3 Upright + prep-table combination
Upright cabinets next to lower prep tables was the layout the head chef asked for. The 6.5-metre prep wall meant floor space was not expandable, so the under-counter cold storage had to live in the base of each prep table, with the work surface sized to chef shoulder height.
2.4 Heavy-duty compressors for 24-hour duty
The kitchen does not close. The spec required commercial-grade compressors designed for continuous operation, with low-noise inverter options where the cabinet sat within five metres of guest areas.
2.5 Multilingual documentation and multi-voltage compatibility
Russian-speaking line cooks in the brigade; Arabic-speaking maintenance technicians seconded from a sister property in the Gulf. So manuals, wiring diagrams, and error-code charts had to ship in English, Russian, and Arabic. And the electrical platform had to support 110V, 220V, and 380V at 50/60Hz.
Yichuhui responded with a three-family equipment package sized to the existing kitchen footprint, covering exactly what the property needed. The scope was deliberately narrow: small-format equipment, not large-install industrial refrigeration.
3.1 Main line: 4-door reach-in refrigerators (AFBB series)
The backbone was Yichuhui’s AFBB series 4-door reach-in refrigerators. Each cabinet delivered 1,200–1,500 litres of net storage across four half-height doors, with independent temperature control per pair: two doors chilled at 2–6 °C, two doors frozen at -18 to -22 °C. Configured for 304 stainless interior and exterior, GN-compatible wire shelving, LED lighting, and lockable self-closing doors with a 90-degree stay-open feature.
Along the 6.5-metre prep wall, Yichuhui supplied a continuous run of stainless steel prep tables from the DST and DSWT series. The DST platform provides a refrigerated base cabinet (2–8 °C) under a 304 stainless worktop with a 100 mm splashback. The DSWT sandwich-station variant adds a 1/3 GN pan well for cold sandwich and salad prep. Heights were set to 850 mm after the head chef’s preference was confirmed in the CAD review on Day 18.
For the back-of-house prep zone and the pastry section, Yichuhui added a complementary set of AST and ASTBF under-counter refrigerators — a smaller-footprint variant that fits under standard 900 mm worktops and runs on the same refrigerant platform as the AFBB cabinets. This keeps the spare-parts inventory uniform across the kitchen, simplifying maintenance training. For hotels managing multiple equipment platforms, the broader Yichuhui solutions portfolio covers how a single-OEM model extends across hotel, restaurant, supermarket, and convenience-store formats.
Want to see the full 10-category hotel refrigeration package, from minibars and uprights to prep tables and buffet displays? Explore the complete hotel kitchen refrigeration solution used across all six hotel zones.
4. Why R-290, Not R-134a: Refrigerant Selection Logic
The Beijing property had been running R-134a since the original build. The obvious question was why switch. Three factors drove the answer.
4.1 GWP: why this number matters for hotels
R-134a has a Global Warming Potential of 1,430 over a 100-year horizon per IPCC AR6 WG1 Chapter 7. R-290 (propane) has a GWP of 3. For a 14-cabinet hotel kitchen, lifetime refrigerant leakage is the difference between 1.43 t CO₂e per kg leaked versus essentially zero. The EU’s F-Gas Regulation (EU) 2024/573 places R-134a in the medium-GWP phase-down band, alignment that future-proofs a multi-jurisdiction procurement roadmap.
4.2 Energy efficiency: R-290’s volumetric cooling advantage
R-290 has roughly 1.6x the volumetric cooling capacity of R-134a, meaning smaller displacement compressors deliver the same duty cycle. For hotel kitchens running 18+ hours per day, the electrical difference flows directly to operating cost. The full thermodynamic case for light-commercial applications like this one is in Yichuhui’s R-290 benefits briefing for commercial refrigeration.
4.3 Compliance: EN IEC 60335-2-89 and ASERCOM ≤500 g guidance
R-290 is mildly flammable (A3 classification), so charge size matters. EN IEC 60335-2-89:2022 caps R-290 charge at 500 g per appliance when certain constructional requirements are met, and the ASERCOM 500 g guidance explains how OEMs stay below that ceiling through smaller condenser loops and well-designed refrigerant circuits. For this Beijing property, every cabinet shipped with between 150 g and 280 g of R-290, well under the regulatory ceiling.
The honest caveat: R-290 is not always the right choice. In markets without trained refrigerant technicians, R-134a or R-744 (CO₂) may be a more defensible decision. Beijing’s mature service network made R-290 the safe bet. For a structured walk-through, the Yichuhui R-290 refrigerant commercial guide covers each branch point, and the same hotel-application analysis is in the R-290 benefits for commercial refrigeration briefing.
5. OEM Project Timeline: From Spec to Commissioning
The full project ran from initial inquiry to on-site commissioning in 112 calendar days, structured in six phases. A rough equivalent lead-time band for Yichuhui (a commercial kitchen refrigeration supplier with 20 years of OEM experience) covering similar scope is 90–120 days, depending on cabinet quantity, customization depth, and shipping lane.
5.1 Phase 1 (Days 1–10): Requirements + site survey
Yichuhui’s sales engineer flew to Beijing for a two-day survey: laser-measuring the prep wall, photographing electrical panels and plumbing. He also interviewed the head chef. The five-point specification from Section 2 became the RFQ.
5.2 Phase 2 (Days 11–25): CAD + samples
The engineering team issued 2D cabinet-positioning drawings plus 3D renders. Two prep-table mock-ups (one DST, one DSWT) shipped from Zibo for head-chef worktop-height and GN pan confirmation (settled at 850 mm).
5.3 Phase 3 (Days 26–40): Client testing
Samples were installed in a kitchen corner for a 14-day live test. Temperature stability, defrost behaviour, and door-swing ergonomics were logged daily. Two revisions followed: a deeper GN pan rail on the DSWT, and a left-hinge door swap on two AFBB cabinets.
5.4 Phase 4 (Days 41–70): Production + factory QC
Production ran across three lines at the Zibo facility. QC followed the CE-aligned protocol: 24-hour temperature stability soak, door-cycle endurance, refrigerant leak-down against the EN IEC 60335-2-89 charge ceiling, and vibration testing.
Want a stage-by-stage look at how Yichuhui runs an OEM engagement, from RFQ through commissioning? The full OEM/ODM commercial refrigeration process guide walks through each gate and the documentation behind it.
5.5 Phase 5 (Days 71–90): Packing + sea freight
Each cabinet was crated in a custom plywood crate with foam-injected edge protection. Fourteen crates cleared Tianjin Port customs on Day 84; sea freight plus barge shuttle to Beijing added 6 days door-to-door.
A two-person Yichuhui team spent 10 days on site: electrical termination, refrigerant leak-checks, multilingual firmware programming, hands-on training. Sign-off: Day 112.
6. Installation & Training
Commissioning day started at 06:00, before breakfast service, so equipment movement did not collide with kitchen workflow. Each cabinet was craned from the loading dock through the service lift, positioned against the layout drawing, and levelled with anti-vibration feet. Electrical terminations were done by the hotel’s in-house electrician working alongside Yichuhui’s engineer, so the maintenance team built muscle memory on the wiring on day one.
Three training modules followed:
Chefs and prep cooks: 90 minutes on temperature setpoints for each cuisine zone, alarm-code interpretation, and the daily clean-down sequence (chlorinated wipe-down on 304 stainless, no abrasive pads on GN rails)
Maintenance technicians: 3 hours on the refrigeration circuit, the R-290 leak-detection protocol, defrost scheduling, and spare-parts replacement
Floor managers: 30 minutes on HACCP temperature logging and how to download temperature history for the monthly third-party audit
Multilingual manuals in English, Russian, and Arabic were delivered in printed binders with each cabinet. A short commissioning video in the same three languages was uploaded to the hotel’s internal training portal so any new starter could self-onboard without pulling a senior chef off the line.
7. Operation Results: What Changed After 90 Days
Three months after commissioning, the engineering manager pulled the warranty-registration and maintenance-log numbers. The data is benchmarked against the prior year’s same quarter, the last full quarter on the old cabinets.
Indicator
Old equipment (baseline)
New equipment (first 90 days)
Temperature drift above setpoint
up to 4 °C peaks
stable ±0.5 °C across the inventory
Service-call frequency
baseline index
materially lower (qualitative)
Defrost frequency
weekly manual defrosts
automatic, no mid-service shutdown
Daily clean-down time
baseline
shorter — 304 stainless + smooth interior has no frost joints (qualitative)
Energy consumption
baseline
in the 5–8% lower band typical of new commercial refrigeration replacing end-of-life units
A few important caveats. The hotel did not publish a customer-facing case study; the operational commentary above comes from post-handover conversations between Yichuhui’s Beijing regional contact and the property’s engineering team. Energy savings fall inside the 5–8% improvement range typical for light-commercial refrigeration when legacy R-134a units are replaced with modern R-290 systems — the band cited in industry efficiency reviews and the supermarket glass-door merchandiser case in Southeast Asia, rather than a single project-specific number. The headline qualitative read from the kitchen team: mid-shift improvisation became rare. The uprights held setpoint. And ingredient waste at the end of service dropped visibly.
8. Lessons Learned: 5 Takeaways for Hotel Procurement Managers
What would Yichuhui’s engineering team do differently if a similar hotel ran the same project tomorrow?
Lock voltage and plug standard before CAD. Beijing runs 220V/50Hz with a CEE-style plug. Confirm the destination market’s standard at the RFQ stage to avoid a transformer retrofit later.
Schedule R-290 maintenance training before commissioning. Chefs are confident from day one if they have seen a refrigerant leak drill first. Don’t wait until month three when the first service call happens.
Confirm chef worktop height via mock-up, not just a form. The 850 mm height worked for this brigade. Different properties prefer 880 mm or 900 mm. Build the mock-up review into the sample phase.
Add remote video diagnostics to export projects. A 30-minute remote video session with Yichuhui’s service team cuts the average fault-to-fix time in half. This is now the default for any export engagement.
Build the BOM around three product families, not ten. Fewer families mean fewer spare parts, one manual set, one maintenance protocol. The AFBB / DST / AST triplet is the recommended baseline — a parallel multi-store example is in our Central Asia beverage merchandiser case study. For chains also running retail outlets, the same OEM model extends naturally. See the convenience store refrigeration solutions portfolio.
9. Why Yichuhui as OEM Partner
Yichuhui (Zibo) Refrigeration Equipment Co., Ltd. has run commercial-refrigeration OEM projects for 20+ years out of a 30,000 m² production base. The engineering team works in English, Russian, and Arabic, a practical point for hotel groups operating across Europe, the CIS, and the Middle East.
For projects like this Beijing upgrade, three capabilities mattered more than brochures:
In-house stainless fabrication: 304 stainless forming, welding, and finishing done on the same Zibo campus, so spec changes at sample stage don’t require a sub-supplier handoff
Refrigerant engineering from light-commercial to industrial: the same team that handles low-charge R-290 cabinets also handles the factory’s CE and ISO 9001 quality system documentation
Export logistics experience: Yichuhui ships via Tianjin and other major Chinese ports, with multilingual export documentation (commercial invoice, packing list, certificate of origin) handled inside the same OEM engagement
A property evaluating OEM partners for a similar hotel kitchen refrigeration upgrade case study should ask three questions during the RFQ stage. Who owns the multilingual documentation? Who handles export customs at the port? And who is on-call for commissioning after the cabinets clear customs? Read more about Yichuhui’s company background or explore the full OEM/ODM process for how a single-window engagement is structured.
10. Frequently Asked Questions on Hotel Kitchen Refrigeration Upgrade Case Studies
Q1: What refrigeration equipment do high-end Beijing hotels typically upgrade?
Three categories: upright reach-in refrigerators for fresh ingredients and frozen seafood, refrigerated prep tables along the chef line with cold storage underneath, and under-counter units for pastry, sauce, and garnish stations. A hotel kitchen refrigeration upgrade case study usually involves 10–20 cabinets across these three, sourced from a single OEM. Buffet displays and minibars are a separate track.
Q2: How long does a hotel kitchen refrigeration upgrade take?
For a 10–20 cabinet upgrade with custom worktop sizing and multilingual documentation, the timeline runs 90–120 days: 10 days survey and RFQ, 15 days CAD and sample, 14 days client testing, 30 days mass production, 20 days sea freight, and 10–15 days installation.
Q3: Why choose R-290 over R-134a for a hotel kitchen?
R-290 has a 100-year GWP of 3 versus 1,430 for R-134a, per IPCC AR6, plus roughly 1.6x the volumetric cooling capacity, meaning smaller compressors and lower electrical consumption. Charge is capped at 500 g per appliance under EN IEC 60335-2-89:2022.
Q4: What’s the difference between 304 and 430 stainless steel?
304 contains 18% chromium and 8% nickel — the food-contact grade that resists corrosion in chlorinated cleaning and salt-heavy seafood prep. 430 has 16–18% chromium but no nickel; cheaper but pits in damp, salty environments. For daily chlorinated wipe-downs, 304 stainless is the correct spec.
Q5: Can Yichuhui customize prep table height and depth?
Yes. Yichuhui manufactures the DST and DSWT families in-house, so worktop height (800–900 mm), depth (600–800 mm), GN pan configuration, splashback height, and hinge direction can be specified at sample stage without a tooling surcharge. Standard 90–120 day timeline still applies.
Q6: What warranty and after-sales support do you offer for overseas projects?
Yichuhui’s standard warranty covers the compressor for 36 months and other components for 12 months from commissioning. For export projects, spare parts dispatch by air freight within 48 hours, remote video diagnostics are scheduled into the first 30 days, and multilingual service documentation (English, Russian, Arabic) ships with every cabinet.
If this hotel kitchen refrigeration upgrade case study matches your OEM engagement (304 stainless, R-290, multilingual documentation, 90–120 day timeline), request a quote:
