
Our Advantages
Strict Quality Control and Globally Stable Supply
With over 40 years of deep industry experience, Niyok Sealing Parts has accumulated extensive expertise in the manufacturing and development of oil seals, O-rings, and sealing gaskets, effectively addressing customer pain points. Our professional team not only inherits advanced rubber material and sealing technology, but also continuously innovates in mold design and manufacturing, delivering the most reliable sealing solutions for industries such as automotive, machinery, and industrial equipment.
Niyok is not only a leading manufacturer of sealing products but also a trusted technical partner for global clients. Through outstanding technical capabilities, strict quality standards, and efficient supply chain management, we provide comprehensive sealing solutions across various industries. Our core advantages include:
Niyok’s Professional Customization Services and Technical Support
We are not just a manufacturer — we are your technical partner! Our R&D team possesses strong capabilities in customized development, enabling us to design and manufacture sealing products tailored to meet the demands of various harsh environments. Based on customer requirements such as dimensions, materials, and application environments, we provide exclusive designs to ensure optimal sealing performance.Moreover, we offer expert recommendations on rubber material selection and compound formulation for different applications. Common materials include FKM, HNBR, NBR, and SI, ensuring durability and stability of the products.
International Certifications and Outstanding Quality Assurance
Niyok strictly adheres to ISO 9001 and IATF 16949 international quality standards to ensure that every product meets high-specification requirements. From material inspection, manufacturing processes, and quality control to final testing, every stage is rigorously managed to guarantee precise dimensions, stable performance, and exceptional durability.Our sealing products are widely trusted by customers around the world and are extensively applied across various industries, including automotive, motorcycles, trucks, electric vehicles, aerospace, railway, oil & gas, industrial equipment, robotic systems, sanitary ware, food industry, hydraulic systems, electronics, semiconductors, and high-precision instruments.
Expertise in Precision Mold Design — Creating Outstanding Sealing Solutions
Niyok possesses professional capabilities in mold design and manufacturing, ensuring dimensional stability from the source. We are able to precisely replicate samples at almost 1:1 ratio, achieving exceptionally high sealing standards. Our diverse range of sealing and rubber components serves a wide variety of applications and effectively addresses customer challenges across complex use cases.
Globally Trusted and Efficient Supply
Our sealing products are successfully sold in markets around the world, covering Europe, North America, Asia, South America, and more, earning the trust of international customers. We have established long-term partnerships with renowned global enterprises and maintain a stable supply chain coupled with fast delivery services, ensuring timely product shipments worldwide.Whether it’s small-volume custom orders or large-scale OEM supply, Niyok delivers efficient and reliable service, supporting your global supply chain operations with peace of mind.
Leading the Way in EV Oil Seals and Sealing Solutions
As the electric vehicle (EV) industry rapidly evolves, Niyok Sealing Parts is proactively advancing the research and innovation of sealing technologies tailored to this new era. We fully understand that EVs rely on high-speed motors, which operate at significantly higher RPMs than traditional internal combustion engines. This demands much greater performance from shaft oil seals — particularly in terms of wear resistance, heat resistance, and low friction.Niyok not only excels in the manufacturing of conventional oil seals and sealing components but also independently develops special rubber compounds engineered for high speed, long life, and low friction, specifically optimized for the high-speed operation of EV systems. These materials ensure stable sealing performance, extend product lifespan, and reduce energy loss.At the same time, we are expanding the development of EV-related sealing products, including:Motor shaft seals (high-speed oil seals),Dust protection seals (for drive systems, suspension systems, etc.),Sealing components for charging equipment and cooling systems.Looking ahead, Niyok will continue to focus on customized development, actively addressing the sealing demands of the EV industry. Our goal is to provide the most reliable solutions for emerging technologies and become your preferred technical partner in the EV sealing sector.
Flexible Production Scheduling
Niyok offers fast and flexible production scheduling to meet customers' delivery timelines. Our adaptability on the production line is one of our core strengths, and we are firmly committed to delivering high-quality products with short lead times. From order placement to shipment, every step is traceable under strict production tracking, ensuring that products are delivered swiftly and accurately to our customers.Contact us today to discover efficient and reliable sealing solutions tailored for your industry.