As a technology-based enterprise that has been deeply involved in the sealing industry for 30 years, Ruichen Sealing focuses on the research and development and production of basic sealing parts, providing cost-effective sealing solutions for industries such as industry, automobiles, and construction. Relying on ISO-certified modern factories and precision testing equipment, the company has mastered core technologies such as rubber formula optimization and injection molding process control. Its products cover standard categories such as O-rings, oil seals, and gaskets, serving 500+ industrial customers worldwide, with business scope covering more than 30 countries and regions, and is committed to meeting customers' basic sealing needs with standardized products.
Ruichen Sealing's basic sealing parts adopt a multi-material system and standardized design, covering three core categories: Rubber seals: Nitrile rubber O-rings withstand a temperature range of -40℃~120℃, suitable for static sealing of hydraulic systems; Fluororubber oil seals maintain low friction at high temperatures of 150℃, and are used for gearbox rotary sealing; Polyurethane seals: RC-PU series dust rings have a compressive strength of 40MPa, suitable for reciprocating motion of engineering machinery piston rods; Engineering plastic seals: Polyoxymethylene gaskets have excellent dimensional stability and are used for plane sealing of precision equipment.
Ruichen Sealing guarantees customer value with full-chain service capabilities: holding ISO 9001 and other certifications, its products are exported to more than 30 countries including Europe, America, and Southeast Asia, and it has established long-term cooperation with major companies. The company has built a "standard product + customized" supply system.
