... company has branch factories for mechanical equipment processing, rivet welding and casting. Mechanical equipment processing factory: we can undertake ... castings less than 120 tons castings, such as roll, engine seat, frame, box body, gear blank, sleeves, slide way, valve ... 412-8851567 Skype: asxydsabrinaAnshan Xiyida Metallurgy Co., Ltd rivet welding, casting and forging pieces such as 180 T oxygen ...