... welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 mm Our company has branch factories ... type, roller, supporting roller, working roller, pulley ,wheel and so on.Rivet welding plant: we can undertake the processing of ... steel structure plant, building frame, spiral conveyor, belt conveyor, charging machine, feeder, bucket elevator, dust cleaner, iron remover, etc. Casting ...