Business scope: Unblock,
Downhole Operation,
Chemical Products,
Harmless Treatment Of Mud,
Oil Production Engineering Technical Services,
Profile Control,
Nitrogen Injection Technology Service,
Inspection And Testing Service,
Environmental Engineering,
Oil And Water Well Testing Technical Services,
Machinery And Equipment Leasing,
Chemical Auxiliary Sales,
Import And Export,
Technology Import And Export,
Activities Supporting Oil And Gas Extraction,
Business scope: Municipal Public Works,
Steel Sales,
Logging Engineering Technical Services,
Harmless Treatment Of Mud,
Landscaping Project,
Environmental Technology Services,
Special Equipment For Oil Drilling,
Oil Well Cleaning,
Drilling Technical Services,
White Oil,
Drilling Accessories,
Anti Corrosion Insulation Project,
Mud Logging,
Fracture,
Well Site Bedding,
Machinery And Equipment Leasing,
Well Testing Services,
Cementing,
Acidification,
Instrumentation,
...
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