... Haining Beyond Seals Co.,Ltd. mainly manufacture rubber parts including rubber stoppers, rubber sleeve seals(O ring, U ring, Y ... , V ring, L ring, star ring), oil seals, rubber handles, rubber bowls, gaskets, washers, waterproof seals, dust ring, dust ... applicable to oil, acid, wear, pressure, flex resistance, high temperature, low temperature, resistance to chemical attack, play a good role in ...