CREG engages in TBM tunnelling subcontracts providing one-stop and comprehensive manpower and technology support for tunnelling. And now CREG executes tunnelling subcontracts for Zhengzhou Metro Line 2 and Shenzhen Metro Line 9 and other projects.

CREG also deals with M&E installation, urban and road lighting, architectural decoration and fire fighting facility for urban infrastructure, buildings, tunnels and underground works. CREG now provides comprehensive project management for Zhengzhou Metro Line 1, Shanxi Chengwan Expressway, Shanxi Linli Expressway, Shanxi Heyu Expressway, Chongqing Fengxi Mechanical and Electrical Installation, etc.