sand casting Material: grey iron, ductile iron. With precision, smooth machining process and surface treatment. grey iron casting products ,die casting products,iron metal products 1Material Gray iron,Ductile iron,2.Certificate:ISO9001-2000 3.Inspection: a)Foundry in-houseb)Third party inspection available upon request etc4.Packing: a)Wooden Pallet b)Wooden Case c)Plywood,Waterproof membraned) ...