Liaoning liangang dyestuff Chemical Co., Ltd. is located in Liaoyang city, Liaoning province Liaoyang, 108th shoushanzhen Liao dynasty Saddle Road, founded in 1989, is in research, development and production "Liao Rainbow brand" series of perylene Red State-level high-tech enterprise of high grade organic dyes. the company's existing staff of more than 260 people, including research and development personnel and more than 40 people. the company's existing series of perylene red line 7, of which 4,500 ton/year 3,4,9,10-of 1,8-anhydride, 1500 tons of naphthalene perylene dianhydride, 150 tons of pigment red pigment red 149 123, 180 tons, 80 tonnes of pigment red 179 and 500 tons of 3,5-dimethyl aniline production line has become China's largest production base., 4 preparation of perylene pigments was awarded national invention patent, 9 product filled domestic blank. more than 75% of the products sold in United States and the United Kingdom, and France, and Germany, and Italy, and India, and Japan and other countries, and with nearly 40 domestic foreign trade companies to establish a business.2010 year, the company achieved sales revenue of 70 million Yuan.

company since its inception, always adhere to independent innovation as the main body, combining independent intellectual property rights system, market-oriented, and constantly develop new products and new technologies. there's an independent research and development organization, existing college education research and development and staff of 25 people.2000 year the company has passed ISO quality system certification, 2008 was designated as a State-level high-tech enterprises, 2009 was awarded Liaoning Provincial Enterprise Technology Center.