Business scope: Production,
Technical Services,
Technical Consulting,
Technology Transfer,
Natural Gas,
Develop,
Import And Export Operations Of Goods And Technology,
Drilling,
Logging,
Petroleum Exploration And Development Equipment And Equipment,
Sales And Technology Development,
Development Of Natural Gas Exploration And Development Equipment And Equipment,
Oil,
Coalbed Methane Exploration And Development,
Business scope: Fracture,
Coalbed Methane Exploration And Development,
Mechanical Equipment Repair,
Import And Export Trade,
Sale,
Workover,
Mud Technical Services,
Oil Drilling,
Orientation,
Petroleum Engineering Technical Services,
Mud Logging,
Mechanical Equipment Processing,
Logging,
Processing And Sales,
Lease,
Cementing,
Drilling Aids,
Sale,
Downhole Operation,
Drill Manufacturing,
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