AOK Valve Stem Seals Ltd.
AOK Valve Stem Seals Ltd is a professional manufacturer of valve stem seals, bonded seal (sealing washers), Large size O-Rings, Large size Oil Seal, bushings and precise customized rubber molded products. With the ability of in-house mold development and manufacture, we are capable of making various types of rubber products from mold design to finished products. AOK have obtained the ISO9001 and TS16949 certificates, and we are approved by our valued customers from all over the world. We accept OEM and ODM orders, and welcome customers' drawing and samples for cooperation of product development production.