Business scope: Railway Rolling Stock Maintenance,
General Cargo Warehousing Services,
Sales Of Railway Transportation Infrastructure Equipment,
Construction Machinery And Equipment Rental,
Engineering Management Services,
Office Equipment Rental Service,
Coal And Product Sales,
Office Equipment Sales,
Cement Products Sales,
Electrical Equipment Repair,
Fire Equipment Sales,
Rail Transit Operation Management System Development,
Municipal Facilities Management,
Mechanical Equipment Maintenance,
Wind Farm Related System Development,
Non Coal Mine,
Installation Modification And Repair Of Special Equipment,
Electronic,
Loading And Unloading,
Wind Power Technical Services,
Rail Transit Construction Machinery And Parts Sales
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