Linze Introduction: Linze County belongs to Zhangye City, Gansu Province, in the middle of Hexi Corridor in Gansu Province. It is connected to Ganzhou District of Zhangye City in the east, Gaotai County in the west, Qilian Mountain and Sunan Yugu Autonomous County in the south, and Alashanyouqi in Inner Mongolia Autonomous Region in the north, with a total area of ​​2,727 square kilometers. As of 2010, Linze County has jurisdiction over 5 towns and 2 townships, with 71 villages and 150,294 people (2013). There are 11 ethnic groups including Han, Hui, Tibetan, Mongolian and Yugu. In 2013, Linze County achieved a gross domestic product (GDP) of 4.377 billion yuan, an increase of 12.3% over 2012. [6-7]