... facilities:cupola furnace,medium frequency induction electric furnace.4.Casting Inspection facilities:direct-reading spectrum instrument,metallographic analysis,magnetic ... Unit weight range: For grey iron casting: up to 5000kgs; For ductile iron casting:up to 3500kgs; 11.Representative product: ... ,housing,casing,cover,valve body,pump body,big ring gear,bolster,frame,rear frame,front frame,engine block. ...