Looking for the most beautiful scenery, the bluest sky, the best air Chaidamu Basin is one of the three inland basins in China, and it is a closed huge inter-mountain fault basin. It is located in the northwestern part of Qinghai Province, northeast of the Qinghai-Tibet Plateau, mainly in the Haixi Mongolian Tibetan Autonomous Prefecture. The Qaidam Basin is the highest-lying basin among the four major basins in China. Chaidamu is not only the world of salt (southern salt lake swamp), but also rich in oil, coal, and various metal deposits, such as cold lake oil, fish card coal, tin-steel lead-zinc mine, etc. Very famous. Therefore, the Qaidam Basin has the reputation of treasure bowl.