... finish treatment & assebmling Item Nameprecision and high quality precision turned parts for Steel PartsProduct descriptionEquipment: planer type ... steel , Stainless steel , Nylon , Lucite ect. Surface treatment: Zinc,Nickel,Chromate,CopperTin plating,Passivate,Anodize,Paint ... . Strict quality Control SystemManufacture Process1) Die Casting2) Machining: CNC turning, milling, drilling, grinding, cutting, ...