Shuangyi Refrigeration based on Integrity Management, Quality Assurance; one-stop Purchasing Center, one-stop service process; Supply Valley Round Great Jin Hitachi Toshiba Music and other brands of compressors, dupont juhua Jindian and other brands of refrigerants, copper pipes, insulation materials, air conditioning refrigerator and other series of refrigeration accessories, air heat pump, combined cold storage, undertake refrigeration works. A complete range of products, welcome to inquire. For the national market and Southeast Asia, the Middle East, Africa and other overseas countries and regions.