On February 15, the limestone mine for building stones in Gantian Dashan, Dehua Town, Ning'er County, Yunnan Province was successfully sold for 30 years with an annual output of 7 million tons. The initial listing price was 0.6 million yuan 12417, and Ning'er Tuofeng Building Materials Co., Ltd. won the bid with a 12417 of 0.6 million yuan. The mining area of the
project is 1.2409 square kilometers, with a resource reserve of 258.7 million tons.