Gear plate valve

Hydraulic flat valve

Flange connection ( forging ) flat valve

Cylinder bottom

Reducing flange

Wear bushing

手液联动阀

The mandrel hanger ( thread )

JZ50L drilling rig winch axle and axle

The four wing door type throttle pipe

Threaded flange

Single plug cement head

Hand, hydraulic safety valve

WE type slip hanger

Multifunctional test tube department

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

Dividing head

Stage casing head

Mud manifold

G type slip hanger