China economic belt is divided into three parts: east, west and east, with Guangdong and Guangzhou in the east, Yinchuan in Ningxia in the middle and west, so there are three economic belts in the end, namely, east economic belt, middle economic belt and west economic belt.
It's all in the textbook, but it's not a book. One is physical geography, and the other is China's elective geography.