Solutions for
Build a refrigerator factory that runs from day one
We supply the complete production line for household and commercial refrigerator manufacturing: vacuum-forming moulds for inner liners, foaming moulds for cabinets and doors, high-pressure PU foaming machines, and turnkey assembly lines capable of 500 – 5,000 units per day.
In one line
200+ refrigerator designs in our reference library — use them as-is, or we customize to your bill of materials.
- Household appliance OEM
- Commercial refrigerator brands
- Hospitality supply
Real pains we hear from buyers — and what we ship to solve each one
Four pains that almost every refrigerator factory founder brings us in the first call. Here's what we ship to solve each one.
Cabinet wall thickness varies cabinet-to-cabinet — k-factor drifts and the EU energy class type-test fails
Our cast-aluminium foaming moulds hold ±0.05 mm cavity precision across 1,000,000+ cycles, paired with a refrigerator mold fixture that clamps at ±0.5 mm parallelism. PU metering at ±0.5% shot accuracy on UPM-HP-1500. Wall thickness variance drops from ±2 mm to ±0.3 mm — type-test passes first try.
Buying mould + PU machine + fixture + production line from 4 different suppliers — nobody owns the foam quality result
We supply mould + fixture + PU machine + raw materials as one calibrated system. When foam quality drifts, you call one supplier, not four. We can't blame the chemicals if there's a mould issue, and vice versa. One PO, one project manager, one set of acceptance criteria.
EU F-gas regulations from 2025 forced us off HFC — switching to cyclopentane needs ATEX-rated equipment we don't have
Our high-pressure machine is cyclopentane-ready out of the box: ATEX Zone 1 electrics, LEL gas detection at 4 points, N₂ blanket on the day tank, auto-shutdown at 50% LEL. We supply the full EU ATEX certificate pack with the equipment so your local fire authority approves in 2–4 weeks instead of 3–6 months.
First refrigerator factory — we don't know how to design the cabinet, how the foam should cure, how to set up QC
For first-time refrigerator factories, we co-design the cabinet using one of 200+ proven templates in our library — that's a 45-day mould instead of a custom 80-day mould. Our engineers spend 10–15 days on-site for commissioning, run the first 100 cabinets together with your operators, and hand over a foam parameter card that your team can follow without R&D.
What You Need
Mold for Horizontal Freezer (Chest Freezer Cabinet)
Refrigerator / freezer mould (mold) for chest freezers — cast aluminium ZL105 / LY12 PU foaming mould. Single-temperature single-top, single-temperature double-top, and dual-temperature double-top variants. Up to 1,500 × 700 × 900 mm cabinet, 6–10 min curing.
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Mold for Upright Kitchen Refrigerator
Refrigerator mould (mold) for upright kitchen refrigerator cabinets — cast aluminium PU foaming mould for commercial 2-door / 4-door / 6-door upright stainless kitchen refrigerators. Up to 1,900 × 900 × 2,000 mm. Designed for energy-efficient deep cavities and long mould life.
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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
Hinges, seals, handles, LED lighting, evaporators & condensers
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 |
|---|---|---|---|---|---|---|---|---|---|
| CFD-40D2F-K | 2-door freezing | -23 to -18 | 900 | 740 | 150 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Mold for Upright → |
| CFD-60D3F-K | 3-door freezing | -23 to -18 | 1395 | 1033 | 200 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Mold for Upright → |
| CFR-40D4F (HB) | Air-cooled refrigeration · Engineering Version | -2 to 10 | 925 | 330 | 115 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Mold for Upright → |
| CFR-60D6F (HB) | Air-cooled refrigeration · Engineering Version | -2 to 10 | 1430 | 500 | 155 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Mold for Upright → |
| CFS-40N4HF (HB) | Dual-temp air-cooled · Engineering | 0–10 | ≤-21 | 782 | 586 | 116 | DONPER / WANBAO | R290 | 1210 × 805 × 1950 | Mold for Upright → |
| CFS-60N6HF (HB) | Dual-temp air-cooled · Engineering | 0–10 | ≤-21 | 1215 | 1015 | 156 | DONPER / WANBAO | R290 | 1820 × 805 × 1950 | Mold for Upright → |
| BC/BD-268 | — | 0–10 or ≤-18 | 268 | 110 | 59 | DONPER / WANBAO | R600a | 955 × 635 × 845 | Mold for Horizontal → |
| BC/BD-358 | — | 0–10 or ≤-18 | 358 | 118 | 65 | DONPER / WANBAO | R600a | 1110 × 635 × 845 | Mold for Horizontal → |
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 your first inquiry to the first commercial refrigerator rolling off your line. ~12 months total for a standard 2,000 units/day line.
- 1
Inquiry & Site Survey
Week 1–2You share target capacity, cabinet size mix, target export markets, factory location. We send a 1-page proposal with line layout and price range. Optional remote site survey (video + drone footage) or in-person visit (USD 1.5K survey fee, refundable against order).
- 2
Detailed Proposal & Pricing
Week 2–4Our engineering team designs the foaming line layout for your factory, picks mould models from our 200+ template library, sizes the PU machine, drafts the BOM. Final quote with 20-line breakdown delivered in 14 days. 2–3 quote revisions typical.
- 3
Contract & Cabinet Design Freeze
Week 4–8Contract signed with 30% down payment. Cabinet CAD review — you send your final cabinet drawings (DWG/STEP), our engineers convert to mould design, you approve the mould CAD before machining starts.
- 4
Manufacturing & In-House QC
Month 3–7Moulds: 45–80 days CNC + heat treatment + polishing. PU machine: 45–60 days in parallel. Line conveyor + fixtures: 60–90 days. Each item tested in our QC lab before shipping. You get monthly progress reports + video walkthroughs.
- 5
Sea Freight & On-Site Installation
Month 7–106–8 × 40' containers ship from Shanghai/Ningbo. Customs clearance handled by you. On-site installation by our 5–8-person engineer team, 3–4 weeks (foundation, electrical, water/steam, line assembly).
- 6
Commissioning, Training & Acceptance
Month 10–12First 100 trial cabinets foamed together with your operators. Foam parameter card hand-over. 5-day operator training. Acceptance signed when 50 consecutive cabinets pass k-factor + dimensional spec. 60% payment due here, remaining 10% after 3-month performance verification.
Why this line works — backed by the real specifications
Every number below comes from the actual equipment you receive — not a marketing brochure.
Liner cavity precision ±0.05 mm across 1,000,000+ cycles
Vacuum forming moulds (UVM-RL-2200) in A7075 aluminium or P20 steel keep inner liner geometry identical from cabinet #1 to cabinet #1,000,000. That consistency is what buyers feel when doors close, shelves slide, and evaporator pockets fit.
Cabinet foaming clamp 5 – 50 tons — one line, household to commercial
Q345-steel foaming moulds with hydraulic / pneumatic clamping handle 180 L household refrigerators through 500 L commercial units on the same production floor. Clamp pressure scales without changing the line.
Metered PU dispensing 100 – 1,500 g/s with ±1% shot consistency
Siemens / Mitsubishi PLC-controlled high-pressure foaming machines (UPM-HP-1500) meter polyol and isocyanate to ±1% accuracy — the reason foam density stays within spec across thousands of shots per shift.
Modular capacity 500 – 10,000 units/day
Turnkey refrigerator-freezer production line (URL-RF-5000) ships as a modular backbone — start at 500 units/day pilot, expand to 10,000 units/day without redesigning the layout.
Customization Options
Every refrigerator line we ship is customized on 4 axes. The line stays modular — change one axis without re-tooling the others.
Cabinet size & form
120 L – 800 L: top-mount, bottom-mount, French-door, side-by-side, built-in. Mould design adapts within our 200+ template library.
Voltage / Frequency / PLC
110V / 220V / 380V × 50/60Hz combinations. Siemens / Mitsubishi / Delta PLC choices. Pre-wired for your target market.
Cosmetic finish & branding
Cabinet RAL color, door handle / hinge brands (Sugatsune / Hettich), Osram LED interior, your brand decals factory-fitted.
Automation tier
500 units/day pilot → 10,000 units/day full-scale on the same modular backbone. ABB / KUKA robot integration optional.
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
The cabinets coming off this line typically sell into 5 markets.
- Household refrigerator OEM — top-mount / bottom-mount, 180–500 L
- Built-in / under-counter premium refrigerator, 100–300 L
- French-door & side-by-side premium home appliance, 500–800 L
- Hotel minibar refrigerator (compact 60–100 L)
- Brand private-label (Coca-Cola, Carrefour, IKEA, Saudi-spec, EU Ecodesign)
Questions factory owners ask us
How long does it take to commission a new refrigerator line?
What is the typical investment for a 2,000 units/day refrigerator line?
Can you customize cabinet size, voltages and branding?
What certifications do the equipment carry — and what do I still need to obtain?
How much factory area does a 2,000 units/day refrigerator line need?
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: Single-line refrigerator factory: 1 high-pressure cyclopentane PU machine + 4-6 cabinet/door moulds + thermoforming line + assembly. Higher end includes auto demoulding + robot integration.
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.
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Turnkey Production Lines for Refrigeration Equipment Factories
"From a Single Pump to a Turnkey Line — One Partner Through Every Tier."