Business scope: Energy Saving,
Sale,
Sale,
Technical Services,
Equipment,
Retail,
Matching,
Matching,
Assembly And Debugging,
Shield Machine Consumables,
Shale Gas,
Mineral,
Natural Gas,
Steel Structure Engineering,
Geology,
Coal Bed Methane,
Water Conservancy,
Production And Processing,
Production And Processing,
Geothermal,
...