Ziyang Profile: Ziyang District is located on the north bank of Zishui City, downtown Yiyang, Hunan Province, with a population of 420,000 and an area of ​​680 square kilometers. Strong industrial and commercial foundation. The industry has more than 10 categories of electronics, light industry, chemical industry, metallurgy, machinery, textiles, food, etc.; commercial formation of "ten ten ten buildings and four streets" business group, there are large supermarkets and commercial pedestrian streets such as Jiarun. The agricultural development potential is huge, and it is rich in rice, ramie, citrus, aquatic products and Xianglian. Infrastructure such as communications and power is rapidly developing, and water and land transportation forms a dense network. Ziyang is a national-level ecological construction demonstration zone and a national Dongting Lake wetland ecological protection zone. It is also one of the two provincial-level environmentally-friendly counties in Hunan Province. Guan Yunchang's allusion to "single knife to the meeting" took place here.