Ductile iron casting: 1.Offer customized and OEM service. 2.DIN,ASTM,EN,BS,NF,JIS, ... casting, Steel casting and Customized service and OEM offered2.The product process we can offer are raw casting, machining, Surface treatment, Surface ... after maching(4)drawings>>mould making>>raw casting>>sandblasting>>rough machining or finish machining>>surface treatment>>packing>>delivery strict.