Xiamen Xlong Seal Co., Ltd. is a professional and leading rubber o ring producer in China.We have in-house tooling workshop to absorb the development costs and would assist with design & technical difficulties in high efficiency and quality. All of rubber compound is original from 3M, DuPont, Bayer and Dow Corning., etc world brand supplier, the material has strict batch tractability in ERP system.The rubber property is tested by the advanced equipment in our own lab. Our seal products include O-ring, X-ring, back up ring, ED-ring, V-ring, gasket and customized rubber seal. The wide varieties of sizes cover AS568, JIS, BS1516,DIN and Metric. These products are the result of our total commitment to offer complete satisfaction to our customers like FAW hydraulic, Emerson transmission, Linde gas,and Neway valve, etc, the clients are from the various industries such as power transmission, fluid power, compression, machinery, internal combustion engine and gas turbine., Etc,and our products reach.NA,EU and other corner in the world.