Why should the property sign a four-way disinfection agreement?

Property signed in addition to the four pests agreement, units and individuals have the responsibility and obligation to eliminate the four pests. For the community, the property management department must bear the responsibility of eliminating the four pests. Property refers to all kinds of houses and their supporting equipment, facilities and venues that have been built and put into use. Property can be large or small, unit houses can be properties, and buildings can also be used as properties.