Guishan Coal Mine, the only base for main coke mining in southern and southeast Yunnan, is located at the boundary area between Stone Forest County, Kunming City, and Luxi County, Honghe Prefecture.

• 圭山煤矿位于昆明市石林县与红河州泸西县交界处，是滇南和滇东南唯一开采主焦煤的基地。