Qingdao Economic and Technological Development Zone is a State-level economic and technological development zone, approved by the State Council in October 1984, and started construction on March 28, 1985. This zone is a special economic zone enjoying the credit policies of coastal economic and technological development zones. Located on the west coast of the Jiaozhou bay, Qingdao development zone and Qingdao old city face each other across the sea. The closest distance from the sea is 4.2 kilometers.