Shanghai Best Ring Co.,Ltd., also known as Best Ring Technology Co., Ltd., is a manufacturer of rubber parts and sealing components based in Shanghai, China. Established in 2002, the company employs 51-100 people and operates a factory with 9 production lines. They specialize in a comprehensive range of sealing components, including O-Rings, X-Rings, V-Rings, R-Rings, Y-Rings, U-Rings, oil seals, rubber flat washers, and various automotive rubber parts such as rubber bushings, rubber boots, rubber tubes, and molded products. With over 3,000 material formulations and 20,000 specifications, they offer extensive customization capabilities for silicone rubber parts, molded rubber parts, and extrusion rubber parts. Shanghai Best Ring Co.,Ltd. provides OEM services and holds numerous certifications including ISO9002, NSF, ACS, WRC, FDA, KTW (W270), UL, and TS16949, demonstrating a commitment to quality and international standards. The company has a strong export focus, with 81-90% of its business dedicated to international markets.