1. Supporting engineering facilities: power supply system, water supply system, weak current system, heating system, gas system, security system, parking management system, elevator system and building lightning protection system.

Second, residential facilities: gardens, green spaces, corridors; Outdoor fitness venues and equipment; : green sketches, fountains and benches; Drainage facilities; Parking lots and garages; Clubs, indoor sports (fitness) swimming pools, etc. ; Public lighting, park lights, corridor lights; Mailbox.

Legal basis: Article 285 of the Civil Law of People's Republic of China (PRC), a realty service enterprise or other manager shall, on the entrustment of the owner and in accordance with the provisions of the third part of this Law on realty service contracts, manage the buildings and their ancillary facilities within the building division, accept the supervision of the owner, and promptly answer the owner's inquiries about realty service.

Property service enterprises or other managers shall implement emergency measures and other management measures implemented by the government according to law, and actively cooperate with relevant work.