... 2)Material:Carbon steel,alloy steel Auto Parts,Casting Part,Hanger Auto Parts,Casting Part,Hanger 1) Molding process: Loss ... wax investment casting,Sodium Silicate 2) Material: Carbon steel, Alloy steel, ... 620*3808) Representative Product: Lager Platte left, right/ Corner casting / Gears / Pipe fittings...9) Manufacturer certification: ISO9001 (2000) / TS16949 OEM ...