o ring, o rings Main type: America o ring KIT, VITON o ring, Silicone o ring, Nitrile o rings, EPDM o rings, HNBR o rings, CR o rings, BUNA o rings, NBR o rings. o ring, o rings Characteristic: Bears the high temperature, has extremely good bears the climate, bears the ozone and bears the chemical properties, bears the petroleum. o ring, o rings authentication: USA NSF/FDA; German DVG/KTW; UK WRAS. o ring, o rings 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. The precise o ring surface is smooth, none the needle eye, none the fragments, the precision achieves +/-0.03 mm to +/-0.08 mm. o ring series: AS 568 o ring, JIS PG o rings, GB o rings.

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