... 20 years experience in special fastener field Name: copper pipe fitting Ability for the material of this kind of ... ,C27200,etc Bronze C51900,C60600,C17200,etc Alumimum 100,5052,6061,6063,etc Ability for the surface finish ... : Electroplate Zinc plated(while,colour,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated ... so that you couldavoid lots of risks. copper pipe fitting