... plated copper steel tube, zn coated tube ,condenser ,evaporator.Products are .widely used in refrigerator, automobile pipeline, Compressor, ... high-pressure conduit, galvanothermy pipe calling etc. We provide products for many famous refrigerator factory, freezer factory, and ... is first , credit is supreme" is our company's objective. Products are produced according to ASTMA254-90 Standard in America, ...