Main Exhibits：Special pneumatic valves for petroleum machinery, air source processing components, control components, actuator components, auxiliary components, pneumatic tools, and hydraulic components

Main Exhibits：MUD PUMP EXPENDABLE

Main Exhibits：Walther-Prazision mono-couplings, multicouplings and docking systems. Used for wherever liquids, steam, gases, electrical or optical signals and electrical power are to be transferred and connected or disconnected safely. For example, subsea hydraulic couplings, MQC and HFL for the offshore industry, Hydrogen fueling system for the hydrogen energy industry, emergency release couplings for the chemical industry, and all kinds of high- and low-pressure quick couplings.

Main Exhibits：Super hydrophilic and oleophobic membrane; Super oleophilic and hydrophobic membrane separation technology.

Main Exhibits：Gear、Power and assembly、External Gearbox

Main Exhibits：Oil Shale Shaker Screen

Main Exhibits：PTFE molded tubes, rods, large size PTFE semi-finished products, petrochemical sealing rings, high-end equipment machined parts, and various of customized high-polymer material products.

Main Exhibits：Cementing tools (rotary liner hanger, internally balanced hanger assembly, rupture disc float collar, V0-R top packer, anchored tie-back plug, packer stage collar, hydraulic oscillator, centralizer) Completion tools (packer, circulating sleeve, soluble bridge plug). Range (cementing tools, completion tools, drilling tools,).

Main Exhibits：Mud pump accessories Valve body seat, piston assembly, pull rod, piston rod, clamp, safety valve, valve rubber, piston rubber, various material seals and other different pump type drilling accessories.