... componens.3). Materials: Stainless steel, carbon steel, spring steel, aluminum, brass and so on4). High skilled workers, completely advanced equipment set5 ... 301, 302, 303, 304, 304L, 316, 316L, iron, copper, aluminium, brass, C1045 etc.Surface TreatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating ...