... 5, OEM precision casting stainless steel About usYaopeng was founded in 2005 as a leading manufacturer specializing in various metal parts, including CNC machining, stamping ... : Steel, Brass, Copper, Stainless steel, , Aluminium2) Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, Sand blasting, Brushing & ploshing etc.3) Our services:Machining ...