... straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, ... tonnages. The maximum forging ringφ1500, flangeφ1000, shaft φ500×17000.Meanwhile, our cast steel and casting branch ... electric arc furnace, ladle refining furnace, cupola furnace & intermediate induction furnace for cast steel and cast copper of ...