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