Aok Valve Stem Seals Ltd. is a manufacturer specializing in producing valve stem seals, boned seals (sealing washers), O-Rings, bushings, absorbers and precise customized rubber molded products. Maintaining excellent quality customer satisfaction our ...

Ren County LongHai Hydraulic Sealing Factory specializes in rubber sealing field.In the complex and rigorous production planning control mechanism,with advanced production, management detection technology.This kind of products raw materials ...