Qingdao Hongtai Copper Tube Co., Ltd mainly specializes in producing and research and development various copper tubes since 1993, it is the professional manufacturer of R410A Air Conditioning Copper Pipe, Copper Water pipe, Inner Grooved Copper Pipe, Pancake Copper Coil, Medical Gas Copper Pipe, OD more than 76mm Straight Copper Pipe, Radiator Copper Pipe, Insulation Copper Tube, PE-Coated Copper Tube, Capillary Copper Tube and other copper pipes, Hongtai Copper pipe is widely used in Air-Conditioner unit, Central Air Conditioning, Refrigerator, Freezer, Solar Energy, Radiators, Conductive, Healthy drinking water, Floor heating installation works, Medical device factories and Shipyards, etc.