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

Aerospace Industry | NIYOK SEALING PARTS CO., LTD.

NIYOK Aerospace Industry 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.

Aerospace Industry

Sealing Applications in the Aerospace Industry

Sealing Applications in the Aerospace Industry

Aerospace Industry

Aerospace Industry

In aerospace ground support operations, the reliability of equipment sealing components is directly tied to maintenance efficiency and operational safety. Pneumatic tools, hydraulic test benches, and fuel ground support equipment all place specific demands on seals in terms of pressure resistance and media compatibility. NIYOK provides rubber sealing solutions for aerospace ground support equipment, supporting ground equipment manufacturers with multi-material selection capability and traceable quality records.

NIYOK Guarantees Sealing Reliability in Your Aerospace Ground Support.

NIYOK's sealing solutions serve pneumatic and hydraulic systems in aerospace ground support equipment, covering material selection and processing across FKM, NBR, EPDM, and other rubber types. For ground equipment operating temperature ranges, contact media, and pressure conditions, our engineering and QA team can provide material evaluation recommendations and sample confirmation services — all backed by dual ISO 9001 and IATF 16949 certification and complete traceable batch quality records.

Key Features:
．Multi-material selection (FKM, NBR, EPDM, and more)
．Hydraulic oil and pneumatic media resistance
．Wide operating temperature range material recommendations (−40°C to +150°C)
．Traceable batch quality records
．Engineering and QA team support for material selection and specification confirmation

Aerospace Ground Support Applications:
．Ground hydraulic test bench seals
．Pneumatic tools and pneumatic systems
．Fuel ground transfer equipment pipeline seals
．Airport maintenance equipment hydraulic cylinder seals
．Ground support vehicle drivetrain seals

Not sure which seal is right for you? Tell us your requirements — NIYOK will take care of the rest. Contact Us
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NIYOK Aerospace Industry 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.