... parts,material can be copper, steel,Aliminium alloy.OEM design is welcome ! precision parts,material can be copper, steel ... ,Aliminium alloy.OEM design is welcome !Precision CNC turning parts( on custom requested) ... brass, bronze, copper, gray cast iron, nodular cast iron, engineering plastic (Delrin, Nylon, Teflon, POM), or according to customer request ...