Main Exhibits：Laser cladding sample，Inner wall gun

Main Exhibits：Intergrated blocks and cartridge valves, proportional directional valves, hydraulic motors and remote controls etc

Main Exhibits：pneumatic torque wrench,electric torque wrench,battery torque wrench,bolting calibration equipment

Main Exhibits：Disc spring, Belleville washer

Main Exhibits：Sealant compounds and specialized tools

Main Exhibits：Qinyuan Company mainly designs and manufactures seals, special rubber, and composite products for the petroleum and natural gas industry (including but not limited to V-group, packer rubber cylinder, safety valve seal, metal adhesive seal, lip seal ring, spring energy storage ring, O-ring, and other customized parts for customers)