Some refer to the intelligent building office automation system, and there are professional books. If you enter "Intelligent Building Office Automation System" on Baidu, it will be more clear.

Have OA office automation software (system); The main functions are collaboration, form approval, knowledge management (document), news, notice, announcement, planning, vehicle management and asset management; There are also professional businesses to provide: contract management, project execution management, bidding management, mobile phone oa and so on.

Dacheng Software Building oa has done a good job, from project management to administrative management.