NIYOK is a leading professional seal manufacturer in Taiwan.
We supply both standard and custom seals, and our R&D team works directly with you to deliver a complete product design.

Premium Oil Seal
Oil SealNIYOK provides high-quality oil seal products for all industrial and automotive applications.

Rubber Rings in a Full Range of Sizes
Rubber RingNIYOK stocks AS568 and JIS B2401 standard sizes and the most common imperial sizes, including O-rings, X-rings and V-rings.

Customized Rubber Parts
Rubber PartsCustom rubber parts designed and molded to your application and industry requirements.

Sealing Gaskets
GasketWe recommend the right gasket material for your application, operating conditions and requirements.
Quality You Can Rely On
A Complete R&D Team and Quality System
NIYOK is a first-class automotive supply chain manufacturer certified to ISO 9001:2015 and IATF 16949:2016. Every step, from raw material intake and processing to production, shipment, inventory and product traceability, follows a complete documented procedure, with 100% customer satisfaction as our goal.
Why choose NIYOK?
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Customer Satisfaction
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Years of Rubber Processing
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Made in Taiwan
