... passed ISO9001:2008 certificationCasting processSodium silicate sand, Resin sandOur MaterialPlain carbon steel, Low alloy steel, High manganese steel, High chromium cast ... etc.Production EquipmentTwo 8T-EAFs, 20T-finery, Shot blasting room, Carbon arc gouging welding,Two trolley type resistance furnaces, 300m³ heat treatment ...