Which town in Xuanhan is the richest?

Nanba Town in Xuanhan is the richest. According to relevant information, Nanba Town belongs to Xuanhan County, Dazhou City, Sichuan Province. Nanba Town is located in the southeast of Pingwu County, at the intersection of the Ninth Ring Road and Chengqing Road. It is a place where Han, Qiang, Hui, Tibetan and other ethnic groups live together. It is the seat of the county in the Tang and Song Dynasties, and is known as "Gulongzhou" and "Gujiang Oil Pass". As of March 2023, the town covers a total area of 326 square kilometers, governs 26 villages, and has 1 community neighborhood committee with a total population of 26,000. Rich in natural gas resources, it is an important gas-using city and one of the first stops of Sichuan-East Gas Transmission. The natural gas purification plant covers an area of 1.500 mu. It purifies 3 billion cubic meters of natural gas every year and produces 400,000 tons of sulfur every year. It has successively won the titles of "provincial cultural town" and "provincial health town". In 20021year, the regional GDP was 5.62 billion yuan, and it was known as the largest town in Xuanhan, Sichuan.