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