Dalian Molecular Sieve Factory, founded in 1980 at Dalian Bay, Ganjingzi District, Dalian city, Liaoning province, mainly produces molecular sieves. The factory covers a land area of 20,000 sq. m. with a floor area of 6000 sq. m. The fixed assets is ¥4.2 million and the current assets is ¥3.5 million. There are 135 workers, 3 engineers and certain amount of technicians in our factory. The annual output of various molecular sieves is 1,000t. We started to produce 3A, 4A, 5A, 13X molecular sieves since 1980; they are widely used in petrochemical industry, hospital, electrical industry and gas purification industry, etc......