泥浆闸阀

Reducing flange

The four wing door type throttle pipe

Gear plate valve

Flange connection ( forging ) flat valve

手液联动阀

Cylinder bottom

Wear bushing

Hand, hydraulic safety valve

Single plug cement head

JZ50L drilling rig winch axle and axle

The mandrel hanger ( thread )

Multifunctional test tube department

Threaded flange

Stage casing head

WE type slip hanger

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

Dividing head

Mud manifold

Integrated valve