Copper Pipe, Galvanized Steel Coil, Aluminum Tube manufacturer / supplier in China, offering High-Quality Corrosion-Resistant Copper Coil Engineered for Superior Hardness and Reliability, Premium Seamless Copper Tubes for Air Conditioning Systems and Commercial Refrigeration Equipment Applications, Seamless Carbon Steel Pipe ASTM A106 A53 Carbon Steel Seamless Steel Pipe for Construction and so on.