Hebei Provincial Coal Geological Exploration Institute
Henan Provincial Coal Geological Exploration Research Institute
Jilin Provincial Coal Geological Exploration Design and Research Institute
Yunnan Provincial Coal Geological Exploration Institute
Heilongjiang Provincial Coal Geological Exploration
Hunan Nonferrous Metal Geological Exploration Geological Exploration Corperation
Regional Geological Survey Team of Sichuan Geological Exploration Bureau
Sichuan Bureau of Coal Geological Exploration
四川省煤田地质局
四川省煤田地质局141队
四川煤田地质局一三七队
Anhui Provincial Geological Exploration Technological Institute
Hubei Provincial Geological Exploration and Foundation Engineering Company
Jilin Provincial Coal Geological 203 Exploration Company
Jilin Provincial 203 Coal Geological Exploration Company
Shanxi Provincial Coal Geological
Fujian Provincial No.121 Coal Geological Exploration Team
Fujian Provincial No.196 Coal Geological Exploration Team
Anhui Bureau of Coal Geological Exploration
安徽煤田地质局
安徽煤田地质局第三勘探队
安徽省煤田地质局物探测量队
安徽省煤田地质局第三勘探队
安徽煤田地质局第二勘探队
安徽省煤田地质局勘查研究院
Chinese coal geological exploration industry
Coal Geological Exploration
Guangxi Bureau of Coal Geological Exploration