Found in 2003, Hangzhou Sanyi Seals Ltd. Co. is located in Hangzhou City, Zhejiang Province, China. We focus on the research and development of seals. Providing customers with sealing solutions and high quality products, we manufacture the products include, but not limited to O-Rings, Oil Seals, Hydraulic and Pneumatic Seals, U-Cups; Wipers, V-Rings, Bonded Seals, X-Rings/Square Rings, Wear Bands, Guide Rings, Rotary Seals, Machined Seals, Shock Absorber Rubber Parts, PTFE Oil Seals, Bearing Seals, and OEM parts, with the materials as following: NBR, FKM, FFKM, HNBR, XNBR, EDPM, CR, VMQ, AFLAS, FVMQ, ACM, PTFE, PU, POM, PA, PCTFE, PEEK, UHME-PE, HD-PE, MC Nylon, PVDF, PAI, PSU, PI, and more. Furthermore, our company attained ISO9001: 2000 quality system certification in July 2008. If you are interested in our products, please do not hesitate to contact us for further information.