... DIN, AISI, ASTM, BS, JIS OEM Description:precision casting partsISO9001:2000 ApprovedStandard: DIN, AISI, ASTM, BS, ... precision casting-precision casting parts with sand blastingmaterialstainless steel, cast iron, pig iron, carbon steel, alloy steel, non-ferrous, grey ... oxide, galvanised etc.processlost wax process, die casting process, sand casting process. soluble glass process, silicon process ...