Your One-Stop Cold Chain Solution Partner
3 Colds is a professional cold chain refrigeration equipment manufacturer and OEM/ODM supplier -- delivering integrated cold room systems from panel and unit manufacturing to full project customization and global export support since 2009.
What Drives Us
Built on 15 years of cold chain engineering, our core values shape every product we manufacture and every partnership we build.
Uncompromising Quality
CE certified with SASO and COC documentation support, every product undergoes rigorous quality control -- from raw panels to fully assembled refrigeration units -- ensuring international compliance and long-term reliability.
Integrated System Thinking
We design and supply cold room panels, refrigeration units, unit coolers and doors as one coordinated system -- not pieced together from unrelated suppliers -- ensuring perfect thermal and mechanical compatibility.
Global Export Expertise
Since our first overseas shipment in 2010, we have grown to serve customers in over 70 countries. Our team understands international logistics, compliance requirements, and the demands of cross-border cold chain projects.
Our Product Lines
Four core product categories engineered to work together as a complete cold chain system -- customizable to your climate conditions, stored product type and site requirements.
Request Full CatalogCold Room Panels
PU/PIR insulated sandwich panels available from 50-250mm thickness, with cam-lock or tongue-and-groove joint options. Custom-sized for industrial, commercial and food-grade cold storage projects.
- PIR & PUR foam core options
- 50-250mm insulation thickness
- Cam-lock & tongue-and-groove joints
- Custom dimensions for any project scale
Refrigeration Units
Wall-mounted, roof-type, semi-industry and split condensing units ranging from 0.5HP to 200HP, covering medium temperature, low temperature and freezing applications with optional remote cloud monitoring.
- Monoblock & split condensing units
- 0.5HP to 200HP capacity range
- Medium, low & freezing temperature
- Optional remote cloud monitoring
Unit Coolers
Covering medium, low and deep-freeze temperature ranges with housing options in coated steel or stainless steel (SS304/316), hot-gas or electric defrosting, delivering stable airflow and fast temperature recovery.
- Medium, low & deep-freeze ranges
- Coated steel or SS304/316 housing
- Hot-gas or electric defrosting
- Stable airflow & fast temperature recovery
Cold Room Doors
Hinged and sliding doors with insulation performance matched to the panels, available in manual or automatic operation, built for high-frequency daily access without compromising air-tightness.
- Hinged & sliding configurations
- Insulation matched to panel specs
- Manual or automatic operation
- High-frequency access with air-tightness
Why 3 Colds
Five core capabilities that make us the preferred cold chain manufacturing partner for distributors, contractors and OEM brands worldwide.
Factory Reliability
Established in 2009 with CE certification and SASO/COC export documentation support. Stable mass-production capability and consistent quality control across all product lines.
OEM/ODM Capability
Full OEM/ODM process: concept discussion → customized design → component development → certification support → mass production. Tailored to climate conditions, stored product type and site requirements.
One-Stop System Supply
Panels, refrigeration units, unit coolers and doors designed and supplied as one complete integrated system. One supplier, one point of contact, zero coordination gaps.
Global Export Track Record
First overseas order shipped in 2010. By 2019, products had reached 70+ countries. Expanded to broader cold chain equipment by 2022 -- backed by real international logistics experience.
Flexible Cooperation Modes
Who We Serve
Our customers span four key profiles across the global cold chain industry -- each with distinct needs that we are built to meet.
International Distributors & Dealers
Looking for a factory-direct partner that can deliver consistent quality across repeat, multi-batch orders. We provide stable production capacity, reliable lead times and transparent pricing to support your distribution network.
Engineering Contractors & Design Institutes
Needing professional technical selection support -- refrigeration capacity calculation, panel-to-unit matching, system design -- not just a product catalogue. Our engineering team works with you from specification to delivery.
Cold Chain Project Developers & Importers
Building logistics warehouses, food processing plants or pharmaceutical cold storage who need one complete system supplier -- not separate vendors for panels, units and doors. We deliver the full solution under one contract.
Private-Label & OEM Brand Customers
Wanting to customize cold room equipment under their own brand, backed by factory-level manufacturing capability and certification support. From concept to branded product -- we manage the full OEM/ODM process.
Start Your Cold Chain Project Today
Whether you need a wholesale quote, OEM consultation, or full project engineering support -- our team responds within 24 hours. Let's build your cold chain solution together.
Phone / WhatsApp / WeChat
+86 15275159788
Factory Address
No. 128 Shunfeng Road,
Jinan, Shandong, China