Aok Valve Stem Seals Ltd. is a manufacturer specializing in producing valve stem seals, boned seals (sealing washers), Large size O-Rings, Oil Seal, bushings and precise customized rubber molded products. Maintaining excellent quality customer satisfaction our first priority.We own the ...

Main products The company is with the attitude of professional and insistence to focus development production plastic products from beginning. The main are rubber O-ring, metal parts rubber, aluminum general machinery tire, shock absorber (base) , carburetor intake many other kinds ...