Aok Valve Stem Seals Ltd.

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 and customer satisfaction is our first priority.

Established in 1995, we have been in the business for over 10 years. Our products have been successfully distributed to well-know 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 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.

Our mold R&D team incorporates CAD/CAM system with advanced CNC machine centers and CNC lathes to design and make molds, and we also equip vacuum compression molding machines for manufacturing rubber products.

We own the largest vacuum vulcanizing machine from Taiwan area, and the working dimension of the machine is 20000mm*2000mm. We manufacture large-sized O-rings (ODMax 1850mm), Oil Seals (ODMax 1700mm) and V-rings (ODMax 1850mm).

In order to reach this objective, AOK has been constantly upgrading our manufacturing capability by the application of State- of -The-Art equipment as well as continuous training of our personnel.

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

Business Type




ISO 9001:2000 ISO/TS 16949

OEM/ODM service


Number of employees

50 - 100

Legal representative

for premium members only

Business addresss

No.24-6, Nankang 3rd. Rd.,

Product Name

Rubber product seal

Product Name

Rubber Sealing Washer - GM2000 series

Product Name

Rubber valve seals

Product Name

Rubber O-Ring seal


Contact person

Ms. Vivian Liao




No.24-6, Nankang 3rd. Rd.,





Postal code