1984.11 founded as the Caohejing Microelectronic Industrial Zone

1985 CHJ Development Corp. established

1988.6 approved as a State-level Economic and Technological Development Zone

1991.3 approved as a State-level High-Tech Industrial Development Zone

2000 certified as APEC Technological Industrial Park

2003.3 approved as a National Export Processing Zone

2004.7 expanded to establish Pujiang Hi-Tech Park

2005.12 started the construction of Caohejing Modern Service Complex