The mandrel hanger ( thread )

Flange connection ( forging ) flat valve

Tee

手液联动阀

Wear bushing

Reducing flange

Stage casing head

W type slip hanger

Cylinder bottom

Gear plate valve

Hand, hydraulic safety valve

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

JZ50L drilling rig winch axle and axle

Multifunctional test tube department

Single plug cement head

Threaded flange

WE type slip hanger

Dividing head

Mud manifold

Cage type adjustable throttle valve