... it is specialized in HVACR copper tubes, environmental protection copper water tubes and copper fittings.The main products ... , ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being of ... No. Available Date-Expired Date Manufacture License of Industrial Products General Administration of Quality Supervision, Inspection and ...