Spiral Freezer
Single and double drum spiral freezers handle 500 to 10,000 kg/h for meat, poultry, seafood, and bakery lines.
The No.1 Spiral Freezer Manufacturer in China
Square Technology Group is China’s largest industrial freezer manufacturer, listed on the Shanghai Stock Exchange since 2016 (603339.SS).
Solutions
Browse by food sector to see how we solve key freezing challenges across 5,000+ installations in 80+ countries.
WHAT WE BUILD
From One Machine to a Complete Line
We design and build freezers, ovens, refrigeration skids, and PIR cold room panels across five factories in Nantong under ISO 9001, CE, PED, and ASME standards.
Industrial Freezing
Cooling & Cold Storage
Heating & Proofing
Refrigeration
Cold Room Systems
Turnkey Lines
FEATURED SYSTEMS
Proven Equipment for Every Stage of Production
Built for fast heat transfer, low weight loss, and reliable daily production.
Spiral Oven
Single and double drum spiral ovens cook with steam, hot air, or mixed heat for high yield and even browning.
Fryer
Continuous industrial fryers handle 300 to 5,000 kg/h with electric or thermal oil heating and continuous oil filtration.
Built in Our Own Plants, Tested Before Shipment
Our five factories in Nantong build spiral drums, stainless steel belts, evaporator coils, pressure vessels, and PIR panels under one quality system.
GLOBAL INSTALLATION & SERVICE
300+ Field Engineers for Global Installation
Our own team of 300+ installation and service engineers handles mechanical setup, piping, wiring, and site commissioning from factory testing to production handover.
300+ Installation & Service Engineers
≤ 48 h Technical Response
Worldwide Site Deployment
24/7 Remote PLC Diagnostics
Technical Resources
Latest from Engineering
Technical articles, case studies, and engineering guides from Square Technology.
Optimal Temperature for IQF Tunnel Freezers: Precision in Rapid Freezing
IQF tunnel freezers operate at temperatures between −30 °C and −40 °C to freeze individual food pieces quickly while preserving texture, color, and nutritional value.
Read More
Can You IQF Freeze Raw Meat Patties Without Sticking? Expert Guide
Yes — raw meat patties can be IQF-frozen without sticking. In an industrial IQF freezer, high-velocity air at −30 °C to −40 °C sets each
Read More
How to Prevent Glazing Loss in IQF Shrimp: Best Practices and Technologies
Preventing glazing loss requires careful control at every step: proper pre-freeze preparation, precise glaze application, stable cold-chain conditions, and routine verification. A loss of even
Read More
Global Reach
80+ Countries. 5,000+ Installations.
Trusted across 80+ countries by global food leaders including Cargill, Tyson, CP Group, Unilever, Nestlé, Hormel, Bimbo, and COFCO.
Spiral Freezer · Jeddah, Saudi Arabia
Large Capacity Spiral Freezer Installation: Saudi Arabia
A high capacity double drum spiral freezer installed in Jeddah, Saudi Arabia, for continuous IQF
PIR Panels (SQPanel), Refrigeration System ·
20,000 m² Cold Chain Logistics Center
Square Technology supplied Hennecke PIR insulated panels, cold storage doors, and the central refrigeration package
Plate Freezer · Worldwide
Block Freezing: Delivered Worldwide Since 1986
Vertical and horizontal plate freezers engineered for high density block freezing of pelagic seafood, minced
PIR Panels (SQPanel), Refrigeration System ·
Box in Box Cold Storage Deployment in North America
Modular PIR insulated cold room envelopes and refrigeration packages engineered inside existing dry warehouse shells
Spiral Freezer, Refrigeration System, Air Cooler / Evaporator / Condenser · Chicago
Spiral Cooling and Freezing Line for Steamed Dumplings: Chicago, USA
An integrated ambient spiral cooler and NH3/Bitzer refrigerated spiral freezer system installed in Chicago to
Fryer, Refrigeration System, Spiral Freezer · Chicago, Illinois area, USA
Fried Chicken Nugget Processing and Freezing Line: Chicago, USA
A turnkey battered and par fried chicken nugget processing line in the Chicago area integrating
News
Latest News & Updates
Company news, global exhibitions, project milestones, and technical updates from Square Technology Group.
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