... straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, supporting ... castings, such as roll, engine seat, frame, box body, gear blank, sleeves, slide way, valve body, valve seat, pulley ... Maximum forging size is: ring Dia1500, flange Dia1000 and shaft Dia500*17000. Miss SabrinaTel: 0086-412- 8810286(to Sabrina ...