Over 200 projects and more than 4 millions square meters of engineering design tasks have been completed at home and abroad, covering the design of local office, business buildings, hotels, educational buildings, residence area, industry building and other industrial and civil buildings; Refinery Front Area and Living Area, architectural engineering design of Offices, Camps and Front Areas at Home and Abroad operated with CNPC. Following development of overseas project, CEI has designed CNPC Chad base,　CNPC Niger base, CPECC South Sudan Office Center, China aided constructed Senegal Square, China aided constructed Dominica Highway, Chinese Consulate in Kazan in Russia, Camp of Am River in Kazakhstan, Front Area of Sorochin Refinery in Algeria and many other overseas architecture engineering, among which several engineering designs have won the National Silver Award and the Excellent Engineering Award of Shandong Construction Bureau.