According to Article 937 of the Civil Law, "provide property services such as maintenance of buildings and their ancillary facilities, management and maintenance of environmental sanitation and related order".

The resurgence and leakage of the house belongs to * * * maintenance and belongs to the property management company; The maintenance of the proprietary part needs the consent of the owner, and the property company manages and maintains it separately. Should be based on the "Property Management Regulations" Article 43 "Property service enterprises entrusted by the owners, can provide services other than those agreed in the property service contract, and the service remuneration shall be agreed by both parties".