Business scope: Steel,
Oil And Gas Drilling,
Workover,
Directional Well,
Law,
Wholesale Of Chemical Products,
Acid Fracturing,
Logging,
Engaged In The Import And Export Of Goods And Technology,
Sales Of Equipment And Accessories,
Construction,
Oilfield Technical Services,
Cementing,
Instrument,
Business scope: Workover,
Sale,
Electrical Equipment,
Law,
Geological Drilling,
Oilfield Chemicals,
Perforation,
Drilling Fluid,
Environmental Engineering Technical Services,
Cable,
Design And Sales,
Engineering Geology,
Loan And Other Business,
Research And Development,
Drilling,
Import And Export Of Goods And Technology,
Logging,
Completion,
Liquid Mineral Exploration,
Conference Services,
...