... make-up and break-out equipment wide range of casing and thread coupling oilfield and material professional machine YNJ380/35 Make-up ... torque big. 3, Lord, for the dorsal nose pliers parallel hydraulic circuit, reversing valve manually manipulated, can be realized Lord, synchronous ... knob at the conversion can be. 5, back with a hydraulic clamp walk, to move together with the workpiece. 6, Assembly ...