- Business
- Square Technology Group Co., Ltd. (603339.SS) manufactures and sells cold chain equipment, freezing systems, food processing machinery, and specialized tank containers. Founded in 1986 and headquartered in Nantong, Jiangsu Province, China, the company originally operated as Nantong Freezing Equipment Factory before renaming to Nantong Square Cold Chain Equipment Co., Ltd. in 2012, listing on the Shanghai Stock Exchange in 2016, and rebranding to its current name in 2018. It operates through subsidiaries including Nttank, Square-Star Energy, SQ-Panel, Square-Refrigeration & Project, and JSK, plus a dedicated R&D center, serving industries such as aquatic products, fruits and vegetables, bakery, pasta, instant foods, ice cream, beverages, energy, and medical logistics with exports to over 80 countries.
Core products encompass spiral freezers, self-stacking spiral freezers, tunnel freezers, impingement freezers, plate freezers, fluidized bed freezers, IQF freezers, refrigeration units and systems, air coolers, evaporators, evaporative condensers, dry condensers, insulated panels, continuous fryers, spiral ovens, continuous ovens, turn-key cold storage projects, and processing lines for seafood, bakery, and fruits & vegetables; the company also produces tank containers such as ISO, UN portable tanks (6,300 to 38,000 liters), SWAP tanks, reefer tanks, gas tanks, offshore tanks, electrically heated tanks, and lined tanks with PTEE/PE/Chemline materials.
Recent developments include ongoing participation since 2016 in China's national key R&D projects under the 13th Five-Year Plan, such as modern food processing and grain storage technologies, intelligent food engineering equipment, green energy-saving food manufacturing, and prepared food quick-freezing innovations, reinforcing its position as a national high-tech enterprise with Jiangsu engineering centers for freezing equipment and tank containers. The heat exchanger project, launched in 2018, expanded production capacity over 40,000 square meters for air coolers, evaporators, and condensers. SQTEG maintains industry leadership as China's largest industrial freezer manufacturer with over 39 years of experience and strong global market influence.