Tianjin Royal Industrial Seals Co., Ltd is specialized in designing and producing standard & non-standard mechanical seals, which are for pumps, agitators, mixtures, compressors, gensets, reactors, desulphurization pumps, slurry pumps, chemical pumps, high-pressure and high-speed pumps, etc. These seals widely apply to petroleum, chemical, shipbuilding, power generation, food, paper, pharmaceutical, textile, printing, oil refinery and other industries. We manufacture mechanical seals from 25mm to 350mm shaft size with different sizes and different material like, Carbon, ceramic, Silicon carbide, Tungsten carbide, Stellite and Durchrome, Silicon, Viton, Teflon, Grafoil, etc. To suit your application. We get marvelous manufacturers unit with skilled workers to meet our customers' requirements and quick supply of products under the standards of GB6556, HG2098, HG21571, API610, API682, ANSI B37, ATEX, BS5257, ISO3069, DIN24960, DIN 28138, EN12756 and also could OEM at your disposal. We warmly welcome all friends to cooperate with us 1.)OEM Service Offered 2.)Design Service Offered 3.)Buyer Label Offered Mailbox: [email protected] Skype: linda.liu53