Established in 1958, and specialized in engineering design and EPC projects contracting, CNCEC SEDIN Engineering Co., Ltd. (the former Second Design Institute of Chemical Industry), a fully-owned subsidiary of China National Chemical Engineering Group Corporation Ltd., is a knowledge-intensive company which has been awarded the Comprehensive Class A Engineering Design Qualification Certificate issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China and has been among the top 100 exploration and design enterprises in China for many years. Both the Design and Technology Center of Coal Chemical Industry of China Petroleum & Engineering Survey and Design Association and the National Information Center of Coal Chemical Industry are located in SEDIN.