Business scope: Throttle Manifold,
Electrical Equipment Sales,
Drilling,
Drilling Equipment Maintenance,
Energy Equipment,
Manufacture,
Oil And Gas Drilling Platform,
Fracturing Technology Services,
Oil And Gas Machinery Equipment And Accessories,
Test Oil,
New Energy Technology,
Mud Logging,
Bop,
Cementing,
Meter,
Technical Consulting,
Technical Services,
Technology Transfer,
Equipment,
Downhole Operation,
...
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