Introduction of Nandan County

Nandan County, which belongs to Hechi City, Guangxi Zhuang Autonomous Region, is located in the northwest of Guangxi, with a total area of 39 16 square kilometers. It has jurisdiction over 7 towns and 4 townships, with 23 ethnic groups including Zhuang, Han, Yao, Miao, Maonan, Shui and Mulao, with a total population of 276,000. Nandan is a "military stronghold" in history and an important transportation hub in Guangxi, Guizhou and Sichuan. Located at the intersection of Southwest Highway 2 10 National Highway and Guigui Railway. Nandan has a long history. Nandan County was located in Song Dynasty, which was restored in Ming Dynasty and called Nandan Tuzhou in Qing Dynasty. In 7 years, it was changed to county. Nandan has no severe cold in winter and no intense heat in summer, with an annual average temperature of 16.9℃. In 2006 and 2007, Nandan won the title of "Top Ten Counties in Guangxi County Economic Development" for two consecutive years. Nandan is a production base of flue-cured tobacco, tin and zinc in Guangxi, China, "the hometown of long pepper in China" and "the hometown of Yao chicken in China". 1 nandan county is located in the slope zone of transition from Yunnan-Guizhou plateau to the hills in northwest Guangxi. The whole terrain inclines from northeast to southwest, with rolling mountains and overlapping peaks at an altitude of 600-900 meters. The second peak of Sanpi Lake is located in Luotun Village, Luofu Township, with an altitude of 132 1 m, which is the highest point in the county. The Laren Estuary in Dutian Village, Ai Wu Township is 205 meters above sea level, which is the lowest point in the county, with a height difference of 1 16 meters. Devonian and Carboniferous strata in the county are fully exposed, and there are many kinds of fossil layers with continuous ages of ammonites, which are rare in the world and form Kalls ammonites with complete and clear sections.