Material:Ductile iron Sand Casting:1.Certification:ISO9001:2000,ISO14001:20042.Material: grey Iron & Ductile iron3.Professional Service.4.Best price.Ductile Iron & Grey iron Sand Casting: 1. OEM service available.2. Material: Ductile Iron,Grey iron 3. Standard: AISI, ASTM, JIS DIN GB4. Weight Range:5kg--15000kg.5. Process: V process Castings,Green sand castings,Lost Form castings,KW lines ...