Tee

Flange connection ( forging ) flat valve

Reducing flange

The mandrel hanger ( thread )

手液联动阀

Gear plate valve

W type slip hanger

Stage casing head

Cylinder bottom

Hand, hydraulic safety valve

Wear bushing

JZ50L drilling rig winch axle and axle

FC valve ( the valve seat can be floating plate valve )

Multifunctional test tube department

Single plug cement head

Threaded flange

WE type slip hanger

Dividing head

Mud manifold

Cage type adjustable throttle valve