NIYOK Sealing Component Selection Guide — Q&A. NIYOK combines expert sealing engineering, 40 years of manufacturing experience, and advanced production equipment to deliver comprehensive sealing solutions for customers worldwide. NIYOK brings 40 years of seal manufacturing expertise, certified to ISO 9001 and IATF 16949, with full quality traceability ensuring consistent batch-to-batch delivery. In 2026, we expanded into the electric vehicle (EV) and semiconductor sectors, offering customized sealing solutions from design through mass production, powered by in-house engineering capabilities. Your trusted precision sealing partner. Inquiries welcome.
Faced with a wide range of sealing component specifications and unsure where to start? This guide brings together the most frequently asked questions, answered by our professional team to make your selection simpler and more precise.
Based in Taiwan, NIYOK SEALING PARTS CO., LTD. is a seal and rubber products supplier and manufacturer in Seal Industry.
NIYOK brings 40 years of seal manufacturing expertise, certified to ISO 9001 and IATF 16949, with full quality traceability ensuring consistent batch-to-batch delivery. In 2026, we expanded into the electric vehicle (EV) and semiconductor sectors, offering customized sealing solutions from design through mass production, powered by in-house engineering capabilities. Your trusted precision sealing partner. Inquiries 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.