District Cooling Services
Includes central cooling stations, which supply cold water to central air-condition systems in districts. Cold air is pumped through a 10 kilometers underground network connecting residential units with the station. Other auxiliary works like management, operations, maintenance necessary to achieve this service are also included.
Sewage & Draining Services
Includes sucking up and draining the sewage, rain, waste excessive waters by the tank vehicles, and transporting these waters to places where they can be used, refined or disposed of.