Which department should I complain to for the trapped elevator?

Legal analysis: 1. Complain to the property department of the housing management department. 2. Complain to the special bureau (department or branch) of the Quality Supervision Bureau. Tel: 96333 or 12365. 3. The property is maintained by the development and construction unit within the warranty period stipulated by the state. After the warranty period expires, the property owner (owner) is responsible for the repair and maintenance of the proprietary part. 4. With or without property, professional business service units such as water supply, power supply, gas supply, heating, communication, cable TV, etc. shall provide services directly to the owners, charge relevant fees to the end users, and bear the responsibility for the maintenance and conservation of relevant pipelines and facilities within the property management area according to law. 5. Maintenance of * * * used parts and * * used facilities and equipment outside the exclusive part of the property owner (owner) in the old residential area without property.

Legal basis: Regulations on Property Management Article 1 These Regulations are formulated in order to standardize property management activities, safeguard the legitimate rights and interests of owners and property service enterprises, and improve people's living and working environment.