Other unlisted professional and technical service industries
Business scope:
Acid Fracturing,
Environmental Protection And Energy Saving Equipment,
Self Support Import And Export Business,
Production And Sales Of,
Production,
Sale,
Chemical Products,
Electrical Equipment,
Sale,
Business scope: Sale,
Workover,
Chemical Products,
Sale,
Sale,
Ship Accessories,
Chemical Additives,
Acid Fracturing,
Drilling Accessories,
Petroleum Machinery And Equipment Leasing,
Self Management And Agency Of Various Commodity Import And Export Business,
Vehicle Sales,
Gold,
Non Ferrous Metals,
Tool,
Coiled Tubing Operations And Technical Services,
Computer Network Engineering Services,
Pumping Unit,
Drilling Equipment,
Silver And Its Products Processing,
...
Engineering and Technology Research and Experimental Development
Business scope: Production,
Sale,
Chemical Products,
Sale,
Nitrogen Injection And Nitrogen Foam Design,
Directional Well,
Offshore Oil Platform Engineering And Technical Services,
Geothermal Energy Development,
Utilization And Services,
Construction,
New Energy Development And Application,
Goods And Technology Import And Export Business,
Natural Gas Exploration And Extraction,
Acid Fracturing,
Detection,
Geophysical And Engineering Survey Services,
Highway Construction,
Coalfield Water Layer Reconstruction And Services,
Logging,
Design And Technical Services,
...