Teaching materials are only sold in Xinhua Bookstore, and it is forbidden to accept them in other places or foreign language bookstores related to Xinhua Bookstore. Therefore, the first volume of mathematics textbooks for vocational high schools is sold in Changsha Xinhua Bookstore.
Changsha is the capital of Hunan Province and the political, economic, cultural, transportation, science and technology, finance and information center of Hunan Province.