... furnace, 1250mm cantilever straightener etc rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 ... of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, supporting ... asxydsabrinaAnshan Xiyida Metallurgy Co., Ltd rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 mm ...