The mandrel hanger ( thread )

Wear bushing

Flange connection ( forging ) flat valve

Stage casing head

手液联动阀

Tee

Reducing flange

W type slip hanger

Gear plate valve

Cylinder bottom

JZ50L drilling rig winch axle and axle

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

Hand, hydraulic safety valve

Multifunctional test tube department

Single plug cement head

WE type slip hanger

Threaded flange

Dividing head

Blind flange

Mud manifold