... ,20#steel,S/S 304, 4102.size: as your dwg3.surface: anodizing, clear4.qty: 1000pcs Key Specifications/Special Features:Materials: ... , EN, ISO Operation: green sand casting and resin sand casting Surface finish: sand blasting, oiled, zinc, nickel, chrome plating, painting, ... operated under Standard ISO9001:2000.Our qualities are reliable and long-range. It can be able to reach standards of ISO, ASTM ...