Business scope:
Maintenance,
Sale,
Manufacture Of Columns,
Construction Of Charging Stations,
Test,
Test,
Track Beam,
Advertising Business,
Car Repair,
Charging Cabinet,
Construction Machinery,
Design Of Communication And Integrated Monitoring System And Equipment,
Automobile And Parts Sales,
Manufacture,
Leasing And After Sales Service,
Asset Management,
Various Mechanical And Electrical Equipment,
Design,
Construction And Operation Of Rail Transit Projects,
Electronic Equipment And Parts,
...