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

NIYOK provides high-quality Oil Seal, Seal, Rubber Parts, Gasket, O-Ring, Custom-slit-valve from Taiwan | NIYOK SEALING PARTS CO., LTD.

NIYOK is Taiwan high quality 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.

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Intake Manifold Gasket Kit - Intake Manifold Gasket Kit
Intake Manifold Gasket Kit

Intake Manifold Seal Kit | Made with FKM Material This seal kit is designed to cover key sealing...

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Custom Rubber Parts - Custom Molded Rubber Parts.
Custom Rubber Parts

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

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Custom Bushing - NIYOK Custom bushing.
Custom Bushing

The custom bushings with lower costs and lighter weights ensure the alignment of components....

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Custom Rubber Dust Cover - NIYOK Dust Cover.
Custom Rubber Dust Cover

Rubber Dust Covers with high temperature can be customized according to customer needs, and with...

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Waterproof Custom Rubber Parts - Custom Rubber Parts.
Waterproof Custom Rubber Parts

Custom Molded Waterproof rubber parts could be mold sheets or pads of custom formulated rubber...

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Custom Slit Valve (Semiconductor Parts) - Custom Slit Valve
Custom Slit Valve (Semiconductor Parts)

Semiconductor Parts, Tool & Machine Components A slit valve is typically installed at the entrance...

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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.