... , 1250mm cantilever straightener etc rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 ... shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, supporting roller, working roller ... structure plant, building frame, spiral conveyor, belt conveyor, charging machine, feeder, bucket elevator, dust cleaner, iron remover, etc. ...