Ductile iron casting: 1.Offer customized and OEM service. 2.DIN,ASTM,EN,BS,NF,JIS,ISO 4.Sand Casting 3.ISO9001:2000 Ductile iron sand casting, Steel casting, Sand ... casting:1.We are manufacturer specialized in producing casting products, mainly products: Iron casting, Aluminum casting, Steel casting and Customized service and OEM ...