... any metal parts such as stainless steel,carbon steel,heat-resistant steel,alloy steel,grey iron,ductile iron,malleable iron ... casting procedure in sequencepattern design, pattern making, casting, heat treatment, surface finish, and machining.7Production euipmentproduction line of ... machining center.10Annual output500 tons of stainless steel and heat-resisting steel casting;1,000 tons of alloy steel ...