... furnace, 1250mm cantilever straightener etc rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 mm ... , such as roll, engine seat, frame, box body, gear blank, sleeves, slide way, valve body, valve seat, pulley, connection rod, etc. Casting ... asxydsabrinaAnshan Xiyida Metallurgy Co., Ltd rivet welding, casting and forging pieces such as 180 T oxygen converter, 1550/250 mm ...