linlixianIntroduction：Linyi Introduction: Linyi County, which belongs to Changde City, Hunan Province, is located in the northwest of Hunan Province, downstream of the lower reaches of the water, in the transition zone between the Wuling Mountain and the Dongting Lake Basin, with a population of 4,100 square kilometers and a population of 450,000, of which the labor force is 293,500 and the agricultural population is 362,800. The topography and landforms are mainly the national commodity grain, cotton and oil base counties, and the demonstration county of Hunan green food base. Linyi gypsum resources ranks first in the country, first in Hunan Province, and the first in the south of the Yangtze River. The proven reserves are 2.1 billion tons, which is known as the “non-metallic capital”. Linyi has won the honorary titles of “National Science and Technology Work Advanced County”, “National Cultural Work Model County”, “National Family Planning Work Advanced County”, “National Villager Autonomy Model County” and “National Two Bases Education Advanced County”.