Aok Valve Stem Seals Ltd.

Contact details

  • No. 24-6, Nankang 3rd Road, Nankang Industrial Zone
  • 54067 Nantou City
  • Taiwan


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About Us

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


We own the largest vacuum vulcanizing machine in Taiwan, the working dimension of the machine is 2000mm*2000mm. We manufacture large-sized O-rings (ODMax 1850mm), Oil Seals (ODMax 1700mm) and V-rings (ODMax 1850mm).


Established in 1995, we have been in the business for over 20 years. Our products have been successfully distributed to well-known industries, such as automobiles, motorcycles, chemical, forklift, and semiconductors.


AOK have obtained the ISO9001 and TS16949 certificates in 2003 and 2008 respectively, and we are approved by our valued customers from all over the world. 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.


We are determined to offer satisfactory products.  Please do not hesitate to get in contact with us, we are very pleased to assist you at any stage of your project. We accept OEM and ODM orders, and welcome customers' drawing and samples for cooperation of product development production.

Range of services

Take me directly to Visit us at the following trade fairs

24th -28th May 2017  2017 Autopromotec, BolognaFiere

11/30 - 12/03    2016 Automechanika Shanghai

13th -17th Sep. 2016  2016 Automechanika Frankfurt

08th -10th May 2016  2016 Automechanika Dubai 

04th -09th Apr. 2016  2016Taipei AMPA Int’l Auto Parts & Accessories Show

Exhibitor at the following trade fair

Automechanika 2016

13.09.2016 - 17.09.2016 Hall: 4.2 Stand: P 49