... flame retardant, commonly used in the food machinery, textile machinery, engineering machinery, and so on.PEI bushing,PEI bearing, ... casters, plastic parts, gaskets, seals, O-ring, engineering machinery, rubber wheels, polyether ether ketone gears, poly - ether ether ketone ... , Teflon gears, Teflon products, Teflon rods,Plastic products, rubber products, pipe, rods, plates, gears, miscellaneous parts, ...