Introduction to Mengzi: Mengzi City is one of the cities in Honghe Prefecture of Yunnan Province. It is the capital of the Red River Hani and Yi Autonomous Prefecture. It is the core area of ​​the central city of Weinan in the southeast of Yunnan Province. Mengzi City has a land area of ​​2,228 square kilometers, of which 544.2 square kilometers is dam area, accounting for 24.4%, and the main city area is 30.8 square kilometers. There are provincial-level Mengzi Economic Development Zone and provincial-level Honghe Industrial Park. In 2010, Mengzi City was 417,100 people. Mengzi City governed 7 towns, 2 townships and 2 ethnic townships. In 2012, Mengzi City’s GDP was 10.2 billion yuan.