Changle County, belonging to Weifang City, Shandong Province, is located in the middle of Shandong Peninsula, 150 kilometers away from the seaside city of Qingdao in the east and 80 kilometers away from the Bohai Sea in the north. Bohai Economic Circle and the intersection of Shandong Peninsula city cluster, is the inland to the coastal areas of Jiaodong throat zone. Jiaoji Railway, Jinan-Qingdao Expressway and National Highway 309 run through the territory. It is a coastal economic open county approved by the State Council, and is also the famous sapphire capital. It has a land area of 1,101 square kilometers and a total population of 638,000 (2018). The government is located in Chengguan Street. According to the seventh census data, as of zero hour on November 1, 2020, the resident population of Changle County was 583,799 people. Changle has a long history and deep culture. There are more than 200 sites of Dawenkou culture, Longshan culture, Yue Shi culture and Shang and Zhou culture. At the beginning of the Zhou Dynasty, Jiang Ziya sealed in Qi and built the capital Changle Yingqiu, from which Qi culture originated. In the history of thousands of years, Changle has accumulated a rich culture, and many celebrities have emerged. In history, there are Xu Gan, one of the seven sons of Jian'an, Wang Mang, the former prime minister of Qin Dynasty, and Yan Zhuanqi, a minister of the Qing Dynasty, and other celebrities. Changle County has been honored as "China's advanced county in peace building", "China's advanced county in the mid-term work of the Fifth Five-Year Plan", "China's advanced county in scientific and technological progress", China Charming County", "The Most Desirable Place in China", "Famous International Tourism City of Chinese Culture", "The Best Investment City in Shandong", and "Strong Tourism County in Shandong". On February 13, 2020, Changle County was awarded the title of National Safe Agricultural Machinery Demonstration County in 2019.On July 29, 2020, Changle County was selected to be on the list of National Sanitary Townships (County Cities) in 2019 for re-confirmation. In 2022, the gross regional product of Changle County will be 42.34 billion yuan, an increase of 3.5%.