ChainChina Oil Shear Clutches and Brakes for Winch Drawworks Applications Include Anchor Winches Mooring Winches Used in Offshore Oil and Gas Well, Find details about China Oil Clutch, Oil Drilling Rig Clutch from Oil Shear Clutches and Brakes for Winch Drawworks Applications Include Anchor Winches Mooring Winches Used in Offshore Oil and Gas Well