property management company
Your property management company may know the decoration regulations and standards, and they will provide guidance on how to abide by them.
real estate developer
If you buy a new house, the real estate developer may provide suggestions and information about house decoration.
Consumer rights protection organization
Consumer protection organizations, such as China Consumers Association (CCA) and China Consumer Protection Foundation (CCPF), can help solve complaints and disputes related to decoration.
Urban planning department
If the house you decorate involves urban planning issues, such as noise, pollution or architectural appearance, you can contact the local urban planning department.
Professionals or lawyers
These organizations may not be able to provide detailed information about specific renovation problems, but they can provide you with some suggestions and guidance. If you encounter problems in the decoration process, it is recommended to consult a professional or lawyer.