Square Technology Group Co. Ltd (formerly Nantong Square Freezing & Heating Mechanical Equipment Co. Ltd.) is a listed company in Shanghai-stock Exchange. The company has been manufacturing freezing systems for over 30 years and is the largest industrial freezer manufacturer in China. Our manufacturing facility is located in Nantong, China, with some 1300 employees and 64 hectares’ land. We serve a wide range of food processing industries and can draw from our extensive experience to provide our customers the best value and ensure maximum profitability. The product line includes spiral freezer, plate freezer, tunnel IQF, refrigeration unit, cold storage, air cooler, ice machine, etc.