Yangpu Economic Development Zone, a state-level development area in Hainan province

a designated area in mainland China for promoting investment and industrial growth, often as a short form for economic and technological development zones

An area in mainland China that uses special open-door policies to attract foreign investment and introduce advanced technology; often referred to by the short forms [[经济开发区|經濟開發區|jing1 ji4 kai1 fa1 qu1]] or [[开发区|開發區|kai1 fa1 qu1]].

an economic area designated for the research and development of high technology and advanced manufacturing