Solutions for
Commercial freezer lines for retail and convenience chains
High-volume commercial freezer production: island freezers for supermarkets, glass-door merchandisers for convenience stores, and frozen-food display units for hypermarkets. High-pressure PU foaming, double-door moulds, and assembly lines capable of 500 – 5,000 units per day.
In one line
Optimized for the unattended-retail form factor — low-height island freezer moulds and anti-fog glass-door hardware specifically tuned for convenience and supermarket applications.
- Convenience store chains
- Supermarket OEM
- Frozen food display brands
Real pains we hear from buyers — and what we ship to solve each one
Four pains commercial-freezer factories hit when scaling for retail-chain tenders. Our line clears each one.
Glass-door anti-fog hardware fails in tropical humid stores — store complaints + warranty replacements eating margin
Anti-fog is heated-perimeter wattage + door seal geometry working together. Our UDM-COMBO door mould sets the seal channel geometry for proper Schott / Saint-Gobain dual-pane door fit; we ship the heated perimeter strip with calibrated 4 W/m wattage zoned by climate (tropical / temperate / cold). Field anti-fog failure rate drops from 6% to <0.5% over 24 months.
Retail-chain tender requires ENERGY STAR + EU Ecodesign — my last cabinet failed both pull-down tests
Pull-down tests fail when foam thermal performance + cabinet airflow + compressor sizing don't align. We ship the line with a pull-down to -40°C test rig built in, with sensors at 12 points inside the cabinet. Run trial cabinets through it before submitting to ENERGY STAR / Ecodesign labs — first-submission pass rate goes from 50% to 90%+.
Convenience-store buyer wants both island freezer and glass-door merchandiser — buying 2 separate lines is impossible
One line, quick-change moulds covering both formats. The PU foaming machine, mould fixture and assembly conveyor are shared; only the cabinet mould + door mould change between island and merchandiser. Changeover 60–90 min. Throughput hit is 25–30%, but capex saved is ~USD 1.5M vs two dedicated lines. Sweet spot: combined volume 500–3,000 units/day.
24/7 duty cycle — first-year warranty replacement rate is 3–4%, killing my channel margins
Commercial freezer warranty failures cluster in 3 places: door hinge fatigue (200K+ open cycles), gasket frost-line failure, glass-pane seal leak. Our line addresses each: high-cycle-rated hinges (Sugatsune / Hettich brands), heated-gasket perimeter, dual-pane sealed glass with leak-test on every unit. Year-1 warranty rate target: <0.8%.
What You Need
Mold for Supermarket Island Freezer
Refrigerator / freezer mould (mold) for supermarket island freezers — long-cavity cast aluminium mould for 2–3 m island freezer cabinets. Single-gun-head one-end horizontal filling for low-defect long-cabinet foaming. Up to 2,600 × 1,100 × 1,100 mm.
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Mold for Upright Glass-Door Display Cabinet
Refrigerator mould (mold) for display cabinets — cast aluminium PU foaming mould for single / double / triple glass-door beverage display cabinets and supermarket display refrigerators. Up to 1,900 × 700 × 1,300 mm, ~30 s/shot.
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yongjiapu.com
Cyclopentane High-Pressure PU Foaming Machine
Our flagship — purpose-built for refrigerator factories chasing A+++ energy class. Cyclopentane-ready out of the box with full ATEX Zone 1 safety package. Three sizes covering 500 to 8,000 cabinets a day.
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UREX-RAIL — 26-Station Ground-Rail Refrigerator Assembly Line (Up to 6,000 cabinets/shift)
UREX-RAIL refrigerator assembly line: closed-loop ground-rail PU foaming line for high-volume refrigerator OEMs. 26 stations · 20-second cycle · ~3,000–6,000 cabinets/shift · steam or oil heating · POL + Cyclopentane + ISO foaming.
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PU Raw Materials System
We make refrigerator-grade PU systems — polyol blend, MDI, blowing agent, all formulated in our own plant. k-factor down to 0.018, density customizable, tuned to your cabinet and your line.
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Hardware & Accessories — Bundled with Main Equipment Orders
Complementary hardware fabrication service — supplied alongside our main equipment orders (moulds / PU foaming / production line). Custom-fabricated per your drawings: 5 categories — hinges, brackets, rails & ladders, wire shelves & baskets, grid panels. Not a standalone product line. Consolidated into your main shipment.
Learn MoreCabinet models you can produce on this line
Every row below is a real cabinet SKU that customers already produce using the moulds in this line — temperature class, capacity, compressor, refrigerant and overall dimensions are field-tested. Use the matrix to match your target cabinet to the right mould configuration.
| Cabinet model | Variant | Temperature (°C) | Volume (L) | Power (W) | Weight (kg) | Compressor | Refrigerant | Size (mm) | Source mould |
|---|---|---|---|---|---|---|---|---|---|
| SD/SC-2000K | — | ≤-18 | 748 | 480 | 95 | DONPER / WANBAO | R290 | 2000 × 1035 × 880 | Mold for Supermarket → |
| SD/SC-2200K | — | ≤-18 | 868 | 480 | 110 | DONPER / WANBAO | R290 | 2200 × 1035 × 880 | Mold for Supermarket → |
| SD/SC-2600K | — | ≤-18 | 998 | 645 | 135 | DONPER / WANBAO | R290 | 2600 × 1035 × 880 | Mold for Supermarket → |
| SD/SC-3600K | Extra-wide deep-bottom | ≤-22 | 2016 | 1560 | 195 | DONPER / WANBAO | R290 | 3605 × 1569 × 930 | Mold for Supermarket → |
| LC-620FX | Single-door refrigeration | -2–8 | 620 | 262 | 75 | DONPER / WANBAO | R290 | 620 × 725 × 2065 | Mold for Upright → |
| LC-1260FX | Double-door refrigeration | -2–8 | 1113 | 374 | 145 | DONPER / WANBAO | R290 | 1260 × 725 × 2065 | Mold for Upright → |
| LD-1260FX | Double-door freezing | ≤-18 | 1066 | 911 | 200 | DONPER / WANBAO | R290 | 1260 × 725 × 2065 | Mold for Upright → |
| LC-1860FX | Triple-door refrigeration | -2–8 | 1685 | 583 | 200 | DONPER / WANBAO | R290 | 1860 × 725 × 2065 | Mold for Upright → |
| LD-1860FX | Triple-door freezing | ≤-18 | 1670 | 1395 | 260 | DONPER / WANBAO | R290 | 1860 × 725 × 2065 | Mold for Upright → |
Source: UREXCEED catalog §07 OEM/ODM cabinet series, cross-referenced to the mould that produces each SKU. Custom cabinet sizes outside this range supported — send us your cabinet drawing for a 7-day quote.
From inquiry to first commercial unit — the 6-step delivery flow
From inquiry to first commercial freezer rolling off your line. ~12 months for a standard 2,000 units/day commercial freezer / merchandiser line.
- 1
Inquiry & Format Mix Scoping
Week 1–2Share target capacity, format mix (island freezer / glass-door merchandiser / convenience-store cabinet), target retail-chain customers (Walmart / 7-Eleven / Carrefour spec required). We send a 1-page proposal with line layout and price range.
- 2
Detailed Proposal & Tender-Compliance Roadmap
Week 2–4If you're bidding for a specific retail-chain tender (ENERGY STAR / Ecodesign / Carrefour spec), share the tender doc — we map our equipment to each compliance requirement. Mould variants picked, PU machine sized, glass-door + anti-fog hardware specced. Quote with 24-line BOM in 14 days.
- 3
Contract & Cabinet + Door Design Freeze
Week 4–830% down. Cabinet CAD + door CAD review with extra attention to glass-pane geometry and hinge mounting (Sugatsune / Hettich specifications). Mould CAD frozen before CNC starts.
- 4
Mould + Glass-Door Station Build
Month 3–7Cabinet moulds + door moulds: 60–90 days. PU machine: 45–60 days. Glass-door alignment + anti-fog hardware assembly stations: 45 days. Pre-shipment FAT — we run trial merchandisers in our shop and ship the pull-down test report.
- 5
Sea Freight & On-Site Installation
Month 7–105–7 × 40' containers from Shanghai/Ningbo. On-site installation by 5–7-person engineer team, 3–4 weeks. Reinforced foundation for foaming station, dedicated electrical for glass-door heated-gasket circuits.
- 6
Commissioning, Pre-Certification Testing & Acceptance
Month 10–12First 100 trial merchandisers built and tested through pull-down rig. ENERGY STAR / Ecodesign pre-submission test pack prepared on first 5 units. Operator training. Acceptance signed when 50 consecutive units pass pull-down + leak-test + electrical-safety spec. 60% payment due here, 10% after 6-month warranty-rate verification.
Why this line works — backed by the real specifications
Supermarket and convenience-chain freezers live in a different world: aisle-floor heights, 24/7 duty cycles, and visual merchandising. Our line is built for that world.
Low-profile island-freezer moulds sized for retail aisle floors
UFM-CAB foaming moulds include 600 – 900 mm height profiles specifically for supermarket island freezers — the under-the-counter form factor that household freezer moulds cannot produce.
Glass-door mould geometry + anti-fog hardware integration
UDM-COMBO door moulds handle glass-pane merchandiser doors (dual-pane sealed) and integrate heated anti-fog perimeter strips from UMT-HW-KIT — critical for convenience-store merchandise visibility at 24/7 duty.
High-throughput PU foaming with fast cycle-time tuning
UPM-HP-1500 PU foaming system runs smaller commercial freezer cabinets at 4–6 minute cycles (versus 6–10 min for large household freezers), feeding a 500–5,000 units/day line without bottleneck.
Glass-door assembly stations included (not a subcontracted add-on)
URL-RF-5000 assembly line configuration includes glass-door fitment, seal crimping, heated-gasket connection and leak-test stations — the assembly bottleneck specific to merchandiser production, handled in-line rather than farmed out.
Customization Options
Retail-chain tenders spec cabinets to the millimeter. 4 axes you can choose per tender without re-tooling.
Format
Island freezer (low-profile 600–900 mm) / glass-door merchandiser / convenience-store cabinet. Quick-change moulds 60–90 min.
Glass-door & anti-fog
Dual-pane sealed glass (Schott / Saint-Gobain), heated perimeter strip wattage zoned by climate (tropical 4–6 W/m).
Compliance target
ENERGY STAR / EU Ecodesign / Carrefour / Walmart spec. Pull-down to -40°C test rig built in. NSF Standard 7 optional.
Hinge & gasket
Sugatsune / Hettich 200K-cycle-rated hinges, heated perimeter gasket for frost-line resistance. Premium hardware locked per tender.
Foam Quality Visualization — what closed-cell structure actually looks like
The single biggest predictor of refrigerator cabinet thermal performance is the foam cell structure. Closed-cell ratio, average cell diameter and density uniformity decide whether your cabinet holds -18°C in 35°C ambient — or fails the EU Ecodesign type-test. Here's what fine and coarse PU foam look like under a scanning electron microscope.
Industry-typical low-grade PU
- Avg cell diameter
- ~400 µm
- Closed-cell ratio
- 85–90%
- k-factor (W/m·K)
- 0.025–0.028
- Density uniformity
- ±5 kg/m³
Visible voids, broken cell walls, large irregular cells. Refrigerator cabinet pull-down test fails at 32°C+ ambient. EU Ecodesign type-test fails first submission.
Our cyclopentane PU system
- Avg cell diameter
- ~100 µm
- Closed-cell ratio
- ≥95%
- k-factor (W/m·K)
- 0.019–0.021
- Density uniformity
- ±0.5 kg/m³
Uniform fine cells, intact walls, high closed-cell ratio. Refrigerator cabinet pull-down test passes at 43°C tropical ambient. EU Ecodesign / WHO PQS / ENERGY STAR first-submission pass rate 90%+.
How we measure it: Every shipment of PU raw materials runs through pilot foaming + SEM cell-structure check at our lab. Every commissioned line gets a foam parameter card with these targets — if your operators tune to the card, the foam structure stays in this range. Sample reports available on request.
Illustration · Conceptual SEM micrographs representing typical industry coarse foam (left) vs UREXCEED cyclopentane PU foam quality target (right). Real SEM reports from your specific line available after commissioning.
Application Scenarios
Commercial freezer cabinets land in retail and convenience channels.
- Supermarket island freezer (low-profile aisle-height)
- Glass-door merchandiser (convenience-store 4-door upright)
- Frozen food display chest (1.5–3.0 m)
- Ice cream merchandiser cabinet (visual brand presentation)
- Frozen pizza / ready-meal commercial freezer
- Walk-up / drive-thru retail freezer cabinet
Recent deliveries in this category
Saudi Arabia — Bakery Display Cabinets
Bakery display cabinet project, 500 units/day
Brazil — Chest Freezer Line Expansion
Chest freezer line expansion, 2,000 units/day
Questions factory owners ask us
How is a commercial freezer line different from a household freezer line?
What does a glass-door merchandiser line add versus a solid-door freezer line?
Can one line produce both island freezers and upright glass-door merchandisers?
Typical investment for a 2,000 units/day commercial freezer line?
Do you supply the retail-chain compliance certifications (ENERGY STAR, EuroSpec)?
Optional Add-ons
Extend Your Production Line
Five proven add-ons our 1,800+ customers ask for after their first refrigerator factory line goes live. Discuss with our engineers which fit your spec.
Raw Material Supply
PU MDI / Polyol systems sourced direct from BASF / Covestro / Wanhua, calibrated to your foam specs and climate. Container-load discounts.
Spare Parts Package
2-year wear-parts package — seals, valves, heating elements, sensors. Pre-shipped with the line, no air-freight emergencies.
Robot Integration
ABB / KUKA 6-axis robot for de-molding, demoulding, palletizing or insertion of internal components — boost throughput +30%.
Automatic Demoulding System
Vacuum-assisted demoulding for thin-wall liners and complex geometries — eliminates worker injury, halves cycle time.
Quality Inspection System
Inline foam density, void, k-factor + dimensional QC stations. Auto-reject + traceability log — meets ISO 9001 + EU appliance regulation.
ROI · Cost Analysis
Investment Range & Payback
Indicative range based on 1,800+ delivered lines. Final pricing depends on automation level + add-ons + local labor cost. Request a quote for your spec.
Configuration note: Heavy-duty commercial: high-pressure cyclopentane + reinforced cabinet structure + drop-in evaporators. Lower volume but higher ASP, longer ROI.
Service & Support
Warranty & Service
On-site intervention available in every region where we have delivered projects.
On-Site Installation
Our engineers fly to your factory to supervise installation, layout verification, and first-run production.
Commissioning + Tuning
Trial run + parameter tuning to your local raw material, climate, and target product spec — until throughput meets contract.
Operator Training
5-10 day on-site training for production team, QC, and maintenance — bilingual manuals + video tutorials provided.
3-Year Warranty + Spares
Core equipment 3-year warranty, electrical 2-year. Spare parts in stock with global express shipment 24h dispatch.
Cross-Sell · One-Partner Synergy
Pair this line with the rest of the factory
The product groups our refrigerator-factory customers buy alongside this line — for full-line synergy and one-partner accountability.
High-Pressure PU Foaming Machines
Cyclopentane / 2-component / 3-component models. Cyclopentane is the refrigerator industry standard.
Learn moreRefrigerator-grade Moulds
Vacuum-forming moulds for inner liners + foaming moulds for cabinet/door. 30-year mould-cluster network.
Learn morePU Raw Materials System
BASF / Covestro / Wanhua MDI + Polyol — calibrated to your climate, foam density, and cycle time.
Learn morehome.stats.heading
Turnkey Production Lines for Refrigeration Equipment Factories
"From a Single Pump to a Turnkey Line — One Partner Through Every Tier."