Reducing flange

泥浆闸阀

Gear plate valve

W type slip hanger

手液联动阀

Flange connection ( forging ) flat valve

Cylinder bottom

Wear bushing

JZ50L drilling rig winch axle and axle

The mandrel hanger ( thread )

Hand, hydraulic safety valve

Single plug cement head

Threaded flange

Multifunctional test tube department

Stage casing head

WE type slip hanger

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

Mud manifold

Dividing head

Integrated valve