Which department is the superior management department of the property management company in each residential area in Zhuhai?

The upper management department of the property management company in each residential area in Zhuhai is the Housing Authority. According to relevant information, the Housing Authority is a secondary institution affiliated to the Housing Authority or the Housing Security Bureau, and it is a government functional department. Its function is to accept housing ownership registration, initial registration, transfer registration, change registration, cancellation registration, pre-sale commercial housing contract registration, mortgage pre-registration, housing reform registration and so on.