o ring seal main type: PTFE o ring seal, rubber o rings o ring seal, rubber seal o ring seal, NBR o ring seal, hydraulic seal o ring seal, VITON o ring seal. O ring seal the existing specification has the several thousand kinds. The o ring seal uses in astronautics, the automobile, the medical service, the drugs manufacture, the satellite, the valve, pump, the bathroom, the electron, the electric appliance, and so on industry.

o ring seal