Jiangxi Lanhengda Chemical Co., Ltd. Rock Salt Mine is located in the middle of the Qingjiang Rock Salt Deposit. It is adjacent to the second mining area of Fuda Salt Mine in the north. It is situated on the east side of Lixia Lijia Village, Yanghu Township, in the 255 - degree direction southwest of Zhangshu City, about 7.5 kilometers away from the city center. It is under the jurisdiction of Yanghu Township, Zhangshu City. The mining right area is 0.9 square kilometers. The geographical coordinates (Xi'an 80 coordinates) are: longitude 153°02′8.309"~153°10′5.339", latitude 27°59′47.291"~28°00′19.836". The brine - extraction center is located in the middle of the mining area, covering an area of 16.725 mu. The designed production scale is an annual output of 1.8 million tons of rock salt mine, with 7 pairs of brine - extraction wells. The rock salt mine is mined by the drilling solution mining method, and the raw brine mined is transported through pipelines to the production area for product production. In the first - phase project, the brine - extraction center and 4 pairs of 9 brine - extraction well groups were built and put into operation in January 2018. The main facilities of the brine - extraction center include the brine - extraction pump room, distribution room, supporting buildings, valve control room, storage tank area, supporting sewage collection pool, large - diameter well, fire - fighting facilities and other supporting facilities, as well as mine roads and greening projects.