... BS, DIN, EN, ISO Operation: investment\sand casting Size:13-26Casting:Materials: alloy steel , aluminum alloy Standard: ASTM, JIS, BS, DIN, EN, ... product, therefore, we always strive to ensure every single part meets your approval. Our products have passed ISO9001:2008 ... casting/die casting,forging/forged/flange,formwork/scaffold,pipe/pipe fitting/coupling,valve,auto part,motor shell/motor body,bolt, ...