... can undertake all kinds of forming and machining process of standard and non standard parts. Product kinds : 180 T oxygen converter, 1550′ ... , gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, supporting roller, ... can cast various casting steel piece, casting iron, and precision castings less than 120 tons castings, such as roll, engine ...