Business scope: Downhole Tools,
Install,
Self Management And Agency Of Various Commodity Import And Export Business,
Petroleum Technical Services,
Hardware Tools,
Energy Saving And Environmental Protection Equipment,
Lease,
Lease,
Petroleum Machinery Equipment And Accessories Sales,
Rubber Products,
Drilling Accessories Sales,
Electrical Equipment,
Sale,
Instrumentation,
Building Materials,
Manufacture,
Business scope: Import And Export,
Technology Import And Export,
Drilling Accessories Sales,
Construction Work,
Drilling Project Design,
Construction Machinery Rental,
Construction,
Business scope: Oil Drilling Technical Services,
Production And Sales,
Instrumentation,
Sales Of Building Materials,
Sale,
Import And Export Of Goods And Technology,
Water Treatment Agent,
Cleaning Services,
Manufacture,
Chemical Additives,
Drilling Accessories Sales,