Bushings main type: Teflon Plastic Bushings, PTFE Plastic Bushings, Polyurethane Plastic Bushings, Delrin Plastic Bushings, Nylon Plastic Bushings. Bushings Characteristic: Very low friction coefficient, Bears the high temperature, has extremely good bears the climate, bears the ozone and bears the chemical properties, bears the petroleum. Bushings 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.