Liyanyungang Sanjili Chemical Industry Co. Ltdis located in the bridgehead of Lianyungang Economic and Technological Development Zone, about five kilometers from the port, Lianyungang airport about 50 kilometers, close to the Longhai railway and Ning-Lian, with three, even Huo highway, inland shipping can pass the Beijing-Hangzhou Grand Canal and the Huaihe River, Yangtze River China Unicom, surface and air transportation and import and export transportation is very convenient. The company has fixed assets of 70 million yuan, covers an area of? ? 40, 000 square meters, employs nearly 300 people, including professional and technical staff account for 70%; Main products of catechol, hydroquinone and its related downstream products, which catechol production capacity of 1, 400 tons / year, hydroquinone as 600 tons / year. Hydroquinone produced using the world's advanced method of phenol hydroxylation process, with simple technology, products, high yield, good quality, "three wastes" treatment meet the national emission standards and so on. Industrial Science and Technology as a company policy of "quality first, reputation first" purpose, relying on Chinese Academy of Sciences, Tianjin University, Tsinghua University and a number of research institutes to build R & D center and advanced quality control laboratory equipment. In order to meet market competition, improve the company from a full range of strategic management level, operating with international standards. Company in May 2003 also passed the ISO9001: 2000 quality management system, ISO14000 environmental management system, OSHMS18000 occupational safety and health management system certification, and further to the customer's quality requirements, environmental protection, occupational safety and health maintenance employees as the company to share the responsibility to domestic and foreign companies to show a new image.