TCK (Fullcheng Oil Seals Industrial Co., Ltd.) was established in 1979 as a professional manufacturer of various oil seals, O-rings, rubber gaskets, rubber sealing rings, lip seals, and custom-shaped sealing products. Customers can choose from thousands of products to meet specific application needs. With years of experience and expertise, we have gained a good reputation in the industry.



O-rings and rubber gaskets



These products are widely used in automotive manufacturing, mechanical engineering, aerospace, electronics, and other industries. Our products offer excellent sealing performance and durability, allowing them to operate reliably in harsh working environments.


We have established long-term and stable cooperation with international customers, earning their trust and support. TCK will continue to uphold the principles of "integrity, quality, and innovation," continuously enhance our technical strength and product quality, and provide customers with excellent solutions and high-quality products. Customer satisfaction is our top priority, and we are committed to creating greater value for customers and achieving mutual development and progress.
If you need any information about oil seals, O-rings, or related products, please feel free to contact us.