Dalian Economic and Technological Development Zone (DETDZ) is one of the first national economic and technological development zones in China. It now has a developed area of 50 square kilometers and a population of 220,000.
　　
　　Geographical Location
　　Situated on the Dagushan Peninsula in the northeast of Dalian City, Liaoning Province, the DETDZ is 27 kilometers from the city center, 25 kilometers from Dalian train station, 18 kilometers from Zhoushuizi international airport, 8 kilometers from the Shenyang-Dalian Expressway, 7 nm from Dalian Harbor, 2 kilometers from Dayaowan Harbor, and 1nm from the Coal Port on the Monk Island. It is in the central area of the Bohai Sea Economic Rim, close to the Old City, and next to northeast China‘s hinterland, which takes up 13 percent of the country‘s total area and 12.6 percent of its total population. It faces the sea on three sides and towards the most economically developed countries in Asia like Japan and Korea.

　　Climate
　　The DETDZ has a coastline as long as 44 kilometers and is in a temperate continental monsoon climate. Featuring a yearly average temperature of 10 centigrade and rainfall of 599.7 mm, the zone enjoys comfortably mild and humid weather, clear days in the most of spring and autumn and ample sunshine. Summer is never too hot nor winter, too cold.

　　Communication and Transportation
　　Harbor
　　Dalian is surrounded by six good harbors with wide and deep water without silt deposit and free from freezing all year round. Dalian Harbor features 69 berths, including 39 with a tonnage of over 10 thousand. It handles crude and finished oil, minerals, coal, timber, grain, iron and steel, combined loading of passengers and goods and relay loading of sets of complete plant and groceries. It has an annual handling capacity of 70 million tones for cargo and 5.4 million passenger times and enjoys trade relations with more than 150 countries and regions.