Other unlisted professional and technical service industries
Business scope: Chemical Products,
Safety Engineering,
Sale,
Sale,
Install,
Maintain,
Operation And Maintenance,
Occupational Hazard Factor Detection And Evaluation,
Run,
Engineering Project Management,
Import And Export Of Goods And Technology,
Chemical Additives,
Production And Sales And Technical Services,
Repair,
Detection,
New Technology,
Danger,
Ceramsite,
Network Engineering,
New Technology,
Development Of Downhole Tools
...
Engineering and Technology Research and Experimental Development
Business scope: Manufacturing And Sales,
Wholesale Of Hazardous Chemicals,
Computer Hardware And Software,
Environmental Engineering Technical Services,
Measures To Increase Production,
Production And Sales And Technical Services,
Safety Engineering Technical Services,
Pipeline Inspection Technical Services,
Electrical Equipment,
Safety Engineering,
Security Technology Consulting Services,
Safety Evaluation,
Iot Device,
Fracturing Fluid,
Development Of Downhole Tools,
Environmental Assessment,
Engineering Supervision And Supervision Services,
Oil Gas And Water Well Technical Services,
Sales And Technical Service,
Safety Training,
...