Changchun is located in the center of Northeast Asia Economic Circle around Japanese Ocean , and is near Mongolia , Russia and Korea , it is the best region for scientific arrangement of such production factors as the natural resources, labor force and technologies of the circumjacent area. In the middle of Northeast Plain, a northeast-southwest city-band has formed, among them, Dalian, Shenyang, Changchun and Haerbin centered four-city group has obviously formed, over hundreds of cities gather here. Changchun lies in the middle between Shenyang and Haerbin, the center of the Northeast, it has become the distributing center for the south-north materials current and stream of people, having stronger radiation role and kernel advantages. Changchun economic and technological development zone situated in the east of the city, and southern zone and northern zone situated the center or eastern zone in Changchun future plan and the axes of maize deep production industry, which is the priority districts in the future development program.