Engineering Cylinder, Metallurgy Cylinder, Tie Rod Cylinder manufacturer / supplier in China, offering Oerlikon Fairfield Torque Hub Gearbox CT45 CT50 Cw12 Cw18, Main Winch Gearbox Ok 425648 F130/123/115 403709 for 280d Xr400e Rotary Drilling Rig, Xr400e Rotary Drilling Rig Main Winch Gearbox 426434 F130 and so on.