What is the difference between comprehensive maintenance of contract property and property service?

Comprehensive maintenance of property is only to repair the damage caused by thought or non-human reasons to the property. Property services include environmental sanitation and other services.

Property maintenance refers to all kinds of maintenance activities to repair the damage caused by natural factors and human factors, maintain and improve the use function of the property and extend its service life during the whole use process from completion to scrapping.

Property refers to all kinds of houses and their supporting equipment, facilities and venues that have been built and put into use.