NIYOK SEALING PARTS CO., LTD. - NIYOK has 40 years of professional experience in manufacturing seals.

NIYOK has 40 years of professional experience in manufacturing seals. | NIYOK SEALING PARTS CO., LTD.

NIYOK is Taiwan high quality Oil Seal, Seal, Rubber Parts, Gasket, O-Ring, Custom-slit-valve manufacturer With more than 40 years experience, NIYOK is specialized in leading seal and oil seal manufacture. since 1983.

NIYOK SEALING PARTS CO., LTD.

NIYOK has 40 years of professional experience in manufacturing seals.

Products

Product Category

NIYOK offers a comprehensive product range spanning oil seals, O-rings, sealing gaskets, and custom rubber components — serving applications across automotive drivetrains, braking systems, industrial equipment, electric vehicle critical components, and semiconductor process equipment. All products are manufactured in our own factory in Taiwan, with dual ISO 9001 and IATF 16949 certification ensuring every product meets rigorous quality standards. Whether you need standard specifications, EV-dedicated seals, or custom components for semiconductor equipment, our technical team is ready to provide professional selection guidance and development support.

Browse our product categories now to find the sealing solution that fits your application.

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Oil Seal - Oil seals manufacturer in Taiwan.

Oil Seal

NIYOK is a leading oil seal manufacturing expert with a professional design and manufacturing team to provide...

Rubber Ring - Different color of Rubber Rings.

Rubber Ring

Customized Rubber Rings can be achieved the limit of tolerances of 0.05 to 0.1 mm, and compliedwith ISO 9001...

Gasket - All types and kinds of Gasket in NIYOK.

Gasket

The rubber gasket manufacturing services offered by NIYOK not only meet the inspection standards in the world,...

Custom Rubber Parts - Custom Molded Rubber Parts.

Custom Rubber Parts

Customized Rubber Parts were developed by achieving the standard tolerances and the application flexibility...

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NIYOK Seal and Rubber Products Service Introduction

Based in Taiwan, NIYOK SEALING PARTS CO., LTD. is a seal and rubber products supplier and manufacturer in Seal Industry.

With over 40 years of sealing component manufacturing experience, NIYOK holds ISO 9001 and IATF 16949 certifications, backed by a complete quality traceability system that ensures consistent delivery across every batch. From 2026, NIYOK is formally expanding into the electric vehicle (EV) and semiconductor sectors — bringing in-house engineering development capabilities that support customized sealing solutions from design through to mass production. We are committed to being your trusted precision sealing partner. Inquiries are welcome. From oil seals, O-rings, to gaskets, and customized products, application industries include manufacturing, chemical processing, defense, water treatment and filtration, hydraulics, fluid power, heavy trucks, automobiles, aerospace, oil and gas, medical and For life sciences, food and beverages, a complete product line is available for customer needs and specifications.

NIYOK has been offering customers high-quality Oil Seal, Seal, Rubber Parts, Gasket, O-Ring, Custom-slit-valve since 1983, both with advanced technology and 40 years of experience, NIYOK ensures each customer's demands are met.