O-Rings

Since its establishment in 1996, Chris has always been at the forefront of China's sealing technology. In recent years, we have accumulated rich and profound expertise in various fields such as polymer rubber elastomers, rubber-plastic composites, thermoplastic plastics, and metal processing. By comprehensively applying various technical theories, engineers can provide customers with complete sealing solutions. To date, Chris have provided thousands of solutions for various industries such as ventilation equipment, fans, electronics, military, petroleum, and chemical industries. Our products are used in conjunction with main units for numerous renowned domestic and international technology enterprises and manufacturers, including China National Petroleum Corporation, Sinopec, Russia's Northern Iron and Steel Group, India's Power Steel Corporation ESL, Turkey's Erdemir Steel Company, Vietnam's Pomina Steel Company, Kazakhstan's Petroleum Products Co., Ltd., China National Petroleum Corporation, National Oil and Gas Pipeline Network Group Co., Ltd., National Energy Group New Energy Technology Research Institute Co., Ltd., China Aero-Engine Sichuan Turbine Research Institute, Shaanxi Yanchang Petroleum Co., Ltd. Oilfield Gas Chemical Technology Co., Ltd., Changqing Oil & Gas Co., Ltd., CNOOC Huizhou Petrochemical Co., Ltd., Wuhan Iron and Steel Group Kunming Iron and Steel Co., Ltd., and Hengli Petrochemical Co., Ltd., providing high-performance sealing elastomers for their applications. Chris specializes in manufacturing dynamic and static rubber sealing components, including O-rings and reciprocating motion seals. It also customizes specialized polymer elastomer seals to meet specific client requirements, offering designs resistant to extreme temperatures, wear, oil, corrosive media, compression, and other challenging operating conditions. Our high-performance fluororubber (FKM), hydrogenated nitrile rubber (HNBR), and tetrafluoroethylene propylene (FEPM) are globally designated for use by customers requiring verified and proven high-quality materials. These materials meet stringent performance requirements under extreme temperatures, rapid gas decompression (RGD) conditions, corrosive and abrasive environments, and scenarios where failures could significantly impact health, safety, the environment, or financial interests. High-performance seals and metal seals form the core of our oil and gas industry product line. Chris high-pressure sealing components include O-rings made from various materials, as well as specialized seals such as spring seals, FS seals, and metal end caps designed for dynamic or static applications in downhole, wellhead, surface equipment, valves, pipelines, and riser systems. Our expertise in these technical domains is built entirely on in-house R&D. With our application engineering, R&D, comprehensive testing facilities, and field engineering capabilities, we deliver end-to-end services to Chris' clients across all industrial sectors, ensuring their complete peace of mind.