Flange connection ( forging ) flat valve
Cylinder bottom
Choke Manifold (with puncture-proof nipple)
Reducing flange
手液聯(lián)動(dòng)閥
Hydraulic flat valve
Wear bushing
JZ50L drilling rig winch axle and axle
Threaded flange
WE type slip hanger
Hand, hydraulic safety valve
The four wing door type throttle pipe
FC valve ( the valve seat can be floating plate valve )
Multifunctional test tube department
The mandrel hanger ( thread )
Single plug cement head
Dividing head
Stage casing head
Mud manifold
G type slip hanger
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