What should I do if the door of the residential unit is sold by the property?

1. First of all, the owner can report to the construction administrative department of the local government, the consumer rights protection association and the quality supervision department.

2. Secondly, bring administrative reconsideration and administrative litigation to the local real estate administrative department through legal channels.

3. Finally, developers and property management companies can file civil lawsuits for breach of contract or infringement.