o-ring, Rubber o ring, o ring, Rubber ball, Plastic ball, Teflon ball, PTFE ball, Float ball, Rubber product, VITON o ring, Silicone ring, Shaft sleeve, Lining, Plastic shaft sleeve, Flange, Plastic flange, Gasket, Plastic gasket, Gear, Plastic gear, Teflon o-ring, PTFE o-ring, The product 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 product exports country and the area and so on the USA, Britain , UK, Russia, Canada, France, Germany, Italy, Australia, Brazil, Japan, Korea, Kuwait, Mexico, Nigeria,...