Square Technology Group Co., Ltd., formerly known as Nantong Square Freezing & Heating Mechanical Equipment Co., Ltd., is a leading industrial freezer manufacturer in China. Established in 1986 and listed on the Shanghai Stock Exchange, the company is recognized for its advanced freezing systems, including IQF (Individually Quick Frozen) freezers, spiral freezers, and refrigeration systems. Serving over 3,000 clients across 80 countries, Square Technology is known for its innovation in cold chain technology, focusing on energy efficiency and sustainability.