... 20 years experience in special fastener field Name: copper pipe fitting Ability for the material of this kind ... : Electroplate Zinc plated(while,colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) ... spray coating,electrophoretic coating,etc Polishing finish Grinding and polishing,etc,except mirror Ability for the tolerance: ... that you couldavoid lots of risks. copper pipe fitting