Other mining professional and auxiliary activities
Business scope: It Should Be Operated After Obtaining The Permission Of The Relevant Department,
Downhole Operation,
Goods And Technology Import And Export Business,
Oil Construction,
Drilling,
Mud Logging,
Business scope: Production And Sales,
Sale,
Oil Pipe,
Engaged In The Import And Export Of Goods And Technology,
Chemical Raw Materials,
Oil Construction,
Drilling,
Logging,
Chemical Glass Instrument,
Chemical Reagent,
Oil Tools,
Oil And Gas Downhole Operations,
Oilfield Chemical Additives,
Pipeline Anticorrosion,
Sales of automobiles, motorcycles, spare parts and fuel and other motive power
Business scope: Repair,
Downhole Operation,
Steel,
Production And Processing,
Instrumentation,
Chemical Products,
Office Supplies,
Sale,
It Should Be Operated After Obtaining The Permission Of The Relevant Department,
Network Technology Service,
Fire Supplies,
Environmental Protection And Energy Saving Products,
Import And Export Business Of Goods And Technology,
Chai With,
Oil Construction,
Labor Protection,
Communication Equipment,
Petroleum Engineering Technical Services,
Sewage Treatment,
Rubber Products,
...
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