Changjiang Li Autonomous County, the hometown of mango in China, is located in the northwest of Hainan, with mountains and seas. County People's Government is located in Shilu Town, which is about 96 kilometers away from Haikou, the provincial capital, 0/00 kilometers away from Yangpu Development Zone, 220 kilometers away from Sanya and 50 kilometers away from Bashuo Port. The county has kilometers extending in all directions, and the west route of the sea, the expressway around the island and the Guangdong-Hainan railway run through the whole territory, and the infrastructure such as water conservancy, electric power and communication is perfect. Changjiang River is a typical tropical monsoon climate zone, with an average annual temperature of 24.3℃, no winter all year round, spring-like seasons and abundant sunshine.