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

Resource | NIYOK SEALING PARTS CO., LTD.

NIYOK Resource Introduction. NIYOK combines expert sealing engineering, 40 years of manufacturing experience, and advanced production equipment to deliver comprehensive sealing solutions for customers worldwide. 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.

Resource

NIYOK combines expert sealing engineering, 40 years of manufacturing experience, and advanced production equipment to deliver comprehensive sealing solutions for customers worldwide.

Resource

Rubber Material Operating Temperature Comparison Chart
Rubber Material Operating Temperature Comparison Chart

When operating temperatures exceed a material's rated range, your seal becomes a ticking time bomb.

Material Oil & Heat Resistance Comparison Chart
Material Oil & Heat Resistance Comparison Chart

High temperature or oil resistance — prioritize the wrong property, and your seal will fail in exactly the right environment.

Rubber Material Properties Comparison Chart
Rubber Material Properties Comparison Chart

Choosing materials by gut feel means paying for future failures.

Common Rubber Material Specifications & Characteristics
Common Rubber Material Specifications & Characteristics

Wrong rubber material choice leading to premature seal failure? One chart gives you the answer.

Can't find a specification that fits your requirements? Contact NIYOK for a customized sealing solution.

NIYOK Resource Introduction

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