The No.1 Spiral Freezer Manufacturer in China
Square, China’s No.1 and one of the world's largest IQF freezer manufacturers, listed on the Shanghai Stock Exchange since 2016
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Freezing & Cooking Solutions
Explore our high-quality spiral freezers, ovens, fryers, PIR panels and air coolers.
Square Products
Our IQF Spiral Freezers not only offer lower energy consumption and utilize environment-friendly refrigeration technology but also made breakthroughs in cold chain technology to ensure the best freezing results.
Leading Manufacturer of IQF Freezers and Food Processing Machineries
640000+
Campus (m2)
300+
Patents
3000+
Clients
5000+
Installations
1700+
Employees
80+
Countries exported
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Successful Projects
Our IQF machines have transformed businesses and brought them to new heights. With our expertise and dedication, we deliver exceptional results that exceed expectations.
Your Source for Spiral Freezer Expertise
Explore expert tips, industry trends, and innovative solutions to help you make the most of your spiral freezer investments.
Quick Freezing vs. Traditional Freezing: Which Is Better for Food
Quick freezing preserves food quality better than traditional freezing because it prevents large ice crystals from forming, which helps maintain…

IQF vs Blast Freezing: Quality, Yield & Cost Compared Clearly
Choosing between IQF and blast freezing shapes how well frozen food keeps its texture, flavor, and yield. IQF gives you…

Hot-Gas vs Electric Defrost: Energy, Downtime & Product Impact Explained
Frost buildup on evaporator coils can quietly drain energy, slow operations, and compromise food quality. Choosing between hot‑gas and electric defrost…

How to Calculate Spiral Freezer Capacity: Dwell Time, Belt Load
Getting spiral freezer capacity right is key for smooth, efficient operation. You need to know how long products stay inside,…

CIP for Spiral Freezers: Spray Coverage, Chemistry & Validation Guide
Clean-in-Place (CIP) is an automated cleaning method that lets food processing equipment, like spiral freezers, get sanitized without being taken apart. It works…

Spiral Freezer Belts: Stainless Mesh vs Plastic Modular—Selection & Lifespan
Choosing between stainless mesh and plastic modular spiral freezer belts affects your system’s performance, maintenance, and energy use. Stainless mesh…

Our Clients
Well-known companies around the world have found success through our meticulously crafted cold chain equipment and our professional services. See who we work with below.

















































