Ningbo Yuka Sealing Industry Co., Ltd. (YKS) is a Sino-Taiwan joint venture specializing in the research and development, design, manufacturing and sales of sealing products, specializing in the production of hydraulic, pneumatic, rubber and plastic seals. Provide sealing technical solutions for customers. The company introduced Austrian high-precision CNC machining center (turning seal production technology). Select high-quality raw materials such as Europe, America, Japan and Taiwan, conventional products are strictly implemented in accordance with the ISO9001 quality management system standard, automobile products are strictly implemented in accordance with the IATF16949 automobile quality management system, and all products can meet the ROHS standard. At the same time, the introduction of computer-based universal material testing machine, 3D optical imager and other equipment, strengthen the inspection of the finished products, so that the product quality is reliably guaranteed, and close after-sales service is provided, Let your seal be carefree for life.

With nearly 15 years of sealing products and industry experience, the company can provide practical sealing schemes according to the sealing conditions of customers, and adjust the material formula according to the product environment of customers. At present, any sealing products with a diameter of less than 760MM can be delivered quickly. The minimum diameter of the products can be 1.5MM, and the maximum diameter can be 2500MM. The working temperature is - 273 ℃~+350 ℃, the working pressure is ≤ 800MPa, the reciprocating speed is ≤ 30m/s, and the rotating speed is ≤ 30m/s. It is applicable to static, reciprocating, rotating, and oscillating seals under various media conditions. Please ask for special working conditions.

The materials that our company can make include various rubber materials (NBR, FKM, FFKM, SIL, EPDM, HNBR, CI, etc.), various polyurethane materials (oil resistance, hydrolysis resistance, high temperature resistance, food grade, ultra-wear resistance, etc.), various engineering plastics (PTFE, PTFE composite, ultra-high molecular polyethylene, PA, POM, phenolic resin, etc.) and metal materials.

The company's products include more than 200 different types of series products, such as O-ring, star ring, retaining ring, U-ring, dust ring, flat washer, combined washer, wrapping ring, dumbbell seal ring, Glee ring, Steckel seal, guide ring/belt, wear-resistant belt, sliding combined seal, framework rotary oil seal, spring seal ring, and plug seal. Any size, any specification, any type, no mold fee, can be delivered quickly to meet your urgent needs.

The company's products have been widely used in coal, machine tools, cement, electricity, metallurgy, aerospace, paper making, ship, automobile, pump valve, hydraulic machine, injection molding machine, petrochemical, engineering machinery, agricultural machinery, oil cylinder, hydraulic motor and other industries.

In line with the tenet of "better quality and better service", we strive to present customers with high-quality and affordable products. We sincerely welcome customers from home and abroad. We are willing to cooperate with you sincerely to create a better tomorrow.

Quality Management System Certification

Quality Management System Certification（English）

Foreign trade operators

Material report

Quality inspection report

FDA

FDA