Business scope: Coke,
Refractory Material,
International Trade And Related Simple Processing,
Minerals,
Wood,
Petroleum Engineering Services,
Logistics Distribution,
Cement,
Import And Export Of Self Operated And Agent Goods And Technologies,
Sales And Maintenance Of Machinery And Equipment,
Graphite And Carbon Products,
Steel,
Coal,
Sand And Gravel Sales,
Charge,
Agency Bonded Warehousing Services,
Wujinjiaodian,
Building Materials,
Wholesale of mineral products, building materials and chemical products
Business scope: Chemical Products,
Mud Technical Services,
Downhole Tools,
Petroleum Engineering Services,
Well Testing Services,
Mechanical And Electrical Products Below Category Ii,
Mud Material,
Manufacture of special equipment for mining, metallurgy and construction
Business scope: Matching,
Electronics,
Overhaul Modification And Technical Services,
Petroleum Engineering Services,
Automation Equipment And Instruments,
Casting,
Manufacture,
Manage The Export Business Of The Products Produced By The Company,
Mining Engineering Equipment,
The Design Of,
Business scope: Construction And Installation,
Road Freight Transport,
Oil Drilling Equipment And Accessories,
Labor Service,
Petroleum Engineering Services,
Processing Of Accessories,
Mechatronics Products,
Repair,
Software And It Services,
Repair,
Mechatronics Technology Research And Development,
Consult,
Environmental Technology Services,
Professional Contractors,
Construction General Contracting,
Test Oil,
Anti Corrosion Insulation Project,
Transfer,
Car,
Logging,
...
Business scope: Test Oil,
Sale,
Perforation,
Design,
Solid Waste,
Petroleum Engineering Services,
Research And Development Of Environmental Protection Equipment,
Oil Equipment,
Delivery,
Drilling,
Acidic Wastewater,
Logging,
Construction Work,
Municipal Engineering,
Oil And Gas Field Technology Development,
Lease,
Waste Water,
Testing Service,
Storage,
Tool,
...
Business scope: Geophysical Prospecting,
Petrochemical Products,
Hardware Design And Development,
Perforation,
Petroleum Engineering Services,
Sales And Technical Engineering Services,
Oil Exploration Equipment,
Scale,
Import And Export Operations Of Goods And Technology,
Drilling,
Logging,
Contracting And Its Strength,
Foreign Engineering Projects That Are Compatible With Performance,
Computer Software,
Test Oil,
Fracture,
Mechatronics Instruments,
Mud Logging,
Cementing,
Manufacturing,
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