Who will manage the renovation of sewer pipes in old residential areas in Tianjin?

The property should be responsible for the renovation of sewer pipes in old residential areas in Tianjin.

Individuals are responsible for the indoor and outdoor sewer pipes of old buildings in Tianjin, and the renovation of property or old residential areas is responsible for the replacement and renovation of outdoor sewer pipes.

If there is no property management unit in the community, it will be shared by all residents.