March 2023. According to the relevant provisions of the Guiding Opinions on Installation of Elevators in Existing Houses in Tianjin, Tianjin Housing and Construction Bureau issued in March 2023 that the installation of elevators in Tianjin's houses should meet the requirements of legal construction and delivery of residential houses, which is not a single property right, and elevators can be installed in residential quarters with four or more floors. Zhongyuan Community in Hebei District, Tianjin has a maximum of 8 floors, which meets the relevant regulations, so the community will be installed in 2000.