Dalian Sun Seals Ltd was established in 1994, expertized in providing top quality mechanical seals and related engineering systems. The company occupies a 28, 000 m2 campus. The main products include pump seals, agitator seals, compressor dry gas seal, seal nuclear grade, dryer seals, carbon ring seal and auxiliary systems, which are widely used in petroleum, chemical, shipbuilding, power generation, food, paper, pharmaceutical other industries, more than 600 domestic and foreign customers. Independent research and development and production of large-scale stirred tank mechanical seal, compressor dry gas seals and other products have been exported to the EU, the UK and the Middle East market, quality reached the international advanced level.