According to the Henan Provincial Department of Education, the mathematics textbook used in Baoding is People's Education Edition.
Baoding, known as Shanggu, Baozhou and Fu Bao in ancient times, is also called Boot City because it is like a boot. It is located in the middle of Hebei Province, at the eastern foot of Taihang Mountain. It is the central city of Beijing-Tianjin-Hebei region and part of China Pilot Free Trade Zone.