Other unlisted professional and technical service industries
Business scope: Import And Export Business,
Petroleum Engineering Services And Technical Services,
R D And Service Of Oil And Gas Processing Technology,
Sales Of Drilling Equipment And Accessories,
Software Development And Applications,
Nitrogen Technology Development And Service,
Business scope: Petroleum Engineering Services And Technical Services,
Engineering Ndt,
Steel Structure Engineering,
Mechanical And Electrical Engineering,
Petrochemical Engineering,
Self Management And Agency Of Various Commodity Import And Export Business,
R D And Service Of Oil And Gas Processing Technology,
Nitrogen Technology Development And Service,
Construction Work,
Pipeline Installation Works,
Municipal Engineering,
Smart Engineering,
Fire Engineering,
Anti Corrosion Insulation Project,
Software Development And Applications,
Sales Of Drilling Equipment And Accessories,
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