... alloy; Tinplate, copper; Stannum bronze; Silicon bronze; Zinc alloy; Gray iron; Ductile iron; Malleable iron; ... , Assembling, investment casting, etc.Surface treatmentPolishing, zinc plating, nickel plating, chrome plating, powder coating, e-coating, dip coating, ... phosphate coating, anodize, PVC powder coating, dichromate plating, decrement plating, etc.Machinery and equipments Normal lathe; CNC ...