The filter screen of green building system in Jinmaofu will not be replaced.

Yes, there is no substitute. After the long-term efforts of the owners, the developers and the property finally admitted that since the operation and maintenance took over (in 2020), the filters (primary and secondary) have never been replaced, the secondary filters in all buildings are partially missing, and some electrostatic dust removal devices are closed or fail for a long time, which seriously deviates from the operation and maintenance management standards of Jinmao Green Building.