The mandrel hanger ( thread )

Flange connection ( forging ) flat valve

Tee

Wear bushing

Reducing flange

手液联动阀

Stage casing head

W type slip hanger

Cylinder bottom

Gear plate valve

Hand, hydraulic safety valve

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

Dividing head

WE type slip hanger

Mud manifold

Cage type adjustable throttle valve