... undertake all kinds of forming and machining process of standard and non standard parts. Product kinds : 180 T oxygen converter, 1550′ 250 ... we can cast various casting steel piece, casting iron, and precision castings less than 120 tons castings, such as roll, engine ... seat, frame, box body, gear blank, sleeves, slide way, valve body, valve seat, pulley, connection rod, etc. Casting ...