... More than 20 years experience in special fastener field Name: copper pipe fitting Ability for the material of this kind of ... ,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc Dip plating black oxide coating,hot dip ... experience for exporting so that you couldavoid lots of risks. copper pipe fitting