Is it illegal to designate a fire engineering unit in Shenzhen office building?

Developers or property management companies have no right to require owners to use established fire fighting companies during decoration. Perhaps the developer or property set up a company to be responsible for the construction and renovation in order to manage the fire protection system by a unified fire protection company in the future, but this violated the legitimate rights and interests of the owners. As long as the fire company hired by the owner is responsible for the construction of the developer or property and can normally access the original fire protection system of the building, other fire protection companies can be responsible for the construction and renovation.