Frequently Asked Questions (FAQ)

NIYOK has 40 years of professional experience in manufacturing seals.

FAQ

Frequently asked questions

The oil seals and seals in NIYOK have passed ISO 9001 and IATF 16949 in quality management. We has sorted out common problems as below, if you don't find the relevant product problem information below, please click contact us directly above, and we will serve you as soon as possible.


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There are two main reasons to leak, one is the leakage of the inner diameter factor, and the other is the leakage of the outer diameter factor. Therefore, there are so many causes of failure. If you need...

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NIYOK has 40 years of professional manufacturing of seals, has ISO 9001 and IATF 16949 quality certification, and is a supplier of original parts for Taiwan Honda, Nissan, Mitsubishi, Lotus, Luxgen and other...

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The manufacture of oil seals needs to pay attention to the application, material, hardness, size, and drawing. NIYOK can produce products with a maximum size of 580 mm x 600 mm. In addition to customized...

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NIYOK has the most complete and professional QC team in the rubber industry and oil seals, so it can handle customer complaints as soon as possible, and even go to the customer site to understand the situation...

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NIYOK Introduction

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

NIYOK is a leading seal and oil seal manufacturing expert, with a professional design and manufacturing team to provide high-quality oil seal products for all industrial and automotive applications. 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 since 1983, both with advanced technology and 40 years of experience, NIYOK ensures each customer's demands are met.