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