... zn coated tube ,condenser ,evaporator.Products are .widely used in refrigerator, automobile pipeline, Compressor, high-pressure conduit, galvanothermy pipe ... variety and the most complete in China. Many products have been export to Europe, America, the Middle of East, ... objective. Products are produced according to ASTMA254-90 Standard in America, also passed ISO 9000 quality attestation system and ...