... sand casting ISO 9001:2008 Material:cast iron sand casting,lost foam casting process according ... customer's drawing sand castingsand casting ductile iron 450-101.Material:grey ironGG15,GG20,GG25,GG30, ... ductile iron 400-18,450-10,500-7 by vacuum ... development6) perfect service7) OEM supplier,we have a foundry and a machining shop.Brand: OEM Model Number:customer ...