Changchun is capital of Jilin province in northeastern China. Changchun is a new city with only about 200 years of history. Changchun has a temperate, semi-monsoon climate all year round..

Changchun is an important city in terms of science, technology and culture in China. It has 27 full-time colleges and universities, 103 independent scientific research and technological development institutions, 15 state key and open laboratories, and 336,000 technological personnel in a wide range of fields. It ranks first in the country in the proportion of scientific and technological personnel in its population. It holds a safe lead in the study of optical electronics, precision instruments, laser technology, high polymer materials, bioengineering and automobile technology.