The city is in the lead in localization and labor quality, with a stable supply of of labor. There is a university science park and Taihu International Science Park, with branches of famous colleges and institutions, such as University of Tokyo and Southeast University. There is a work force of 642,300, with about 25,000 added every year and more than 396,300 urban technicians, with senior technical personnel accounting for 5.5 percent and intermediate technical personnel, 54.5 percent.