Yiliu Town in Yizhang is developed. With flat terrain, it is the main rice producing area in Yizhang County, known as the "Yizhang Granary", with a developed traditional firecrackers industry. There are 13 red cannon enterprises with an annual output value of over 1 million, and it has been awarded the title of "Hometown of Red Cannons in China" by the National Supply and Marketing Federation. Yizhang County, which belongs to Chenzhou City, Hunan Province, is located at the southern end of Hunan Province and in the middle of Nanling Mountains.