... cantilever straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut ... , shaft type, sleeve type, roller, supporting roller, working roller, pulley ,wheel and so on.Rivet welding plant ... hammers. Maximum forging size is: ring Dia1500, flange Dia1000 and shaft Dia500*17000. Miss SabrinaTel: 0086-412- 8810286(to Sabrina), ...