The basis is that unqualified property companies cannot charge property fees.

People's Republic of China (PRC) * * * Order No.379th the State Council promulgated the "Property Management Regulations" Chapter VI Article 60 Legal Liability:

In violation of the provisions of this Ordinance, those who engage in property management without obtaining the qualification certificate shall be confiscated by the real estate administrative department of the local people's government at or above the county level, and shall be fined not less than 50,000 yuan but not more than 200,000 yuan.

If losses are caused to the owners, they shall be liable for compensation according to law. It is clearly pointed out that the law does not support such charging behavior (illegal behavior).

Extended data:

The state encourages owners to choose property service enterprises through an open, fair and just market competition mechanism. The state encourages the adoption of new technologies and methods, and relies on scientific and technological progress to improve the level of property management and service.

The State Council construction administrative department is responsible for the supervision and management of the national property management activities. The real estate administrative departments of local people's governments at or above the county level shall be responsible for the supervision and management of property management activities within their respective administrative areas.

Owners in the same property management area shall, under the guidance of the real estate administrative department of the district or county people's government where the property is located or the subdistrict office or the township people's government, set up the owners' meeting and elect the owners' committee. If it is decided not to set up the owners' meeting, the owners shall perform the duties of the owners' meeting and the owners' committee.

Baidu Encyclopedia-Property Management Regulations