Business scope: The Internet,
Install,
Translation Service,
Security Products,
Internet Of Things Research And Development,
Life Saving Equipment,
Safety,
Lightning Protection,
Import And Export Of Self Operated And Agent Goods And Technologies,
Evaluate,
Evaluate,
Repair,
Detection,
Detection,
Consult,
Consult,
Design Of Petrochemical Engineering,
Technical Services,
Energy Saving,
Oilfield Chemicals,
Engineering Supervision And Supervision Services
...
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,
...