大厂矿务局长坡矿地测科
Section of Geology and Survey
changpo mining district
Bureau of Dachng Mine
开滦矿务局地质勘探工程处
geological explorational engineering department
kailuan coal mining administration
冷水江市涟邵矿务局冷水江煤矿
Lengshuijiang Coal Mine of Lianshao Mining Bureau
Lengshuijiang
攀枝花矿务局
Panzhihua coal mine bureau
通化矿务局地测处
Department of Geological Survey
tonghua mine bureau