Business scope: Mine,
Maintain,
Install,
Smart Device,
Building Materials,
Smart Home,
Import And Export Trade,
Communication Equipment,
Security Engineering Design,
Green Facilities,
Industrial Automation Engineering,
Computer Software And Hardware Research And Development,
Mechanical And Electrical Engineering Design,
Electronic Product Installation And Sales,
Repair,
Development And Sales,
Coal,
Energy Saving Equipment,
Data Processing Technology Development,
Mineral Sales,
...