Changsha Economic and Technological Development Zone (CETZ) (Chinese: 长沙经济技术开发区) is an economic and technical development zone at state level in Changsha, Hunan, China. The zone was established in Auguest 1992, its old name was Xingsha Development Zone of Changsha (Chinese: 长沙星沙开发区), changed to the present name on 29 March, 1994. CETZ was upgrated to an economic and technical development zone at state-level in February, 2000. The headquarters for CETZ is situated in Xingsha in the eastern suburb of Changsha, incloding Xingsha, Langli and Huanghua 3 Industrial parks, its planing area covers 105 km2 (41 sq mi).
The zone attracts many foreign investments, such as Mitsubishi Motor, NEC, Bosch, Philips, LG, HEG, Coca-Cola and Pepsi. Major industries in the zone include machinery processing and manufacturing, electronics and information, building materials, food and beverage, and printing.