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