Who has the source code of the real estate sales management system?

I have the source code of the real estate sales management system, which one do you want? There are the following types. Please refer to www.wonod.com General Customer Relationship Management System, Real Estate Bidding Management System, Decoration Management System, Real Estate Demolition Management System, Real Estate Materials and Suppliers Management System and Bank Risk Management System Software (IRM) for details. Real estate secondary development platform software real estate decision support system real estate cost control management system real estate contract management system software construction project management system software real estate customer relationship management system software real estate human resource management system software manufacturing ERP software training management software real estate intermediary management system real estate project management system sales management system property management system real estate industry ERP system real estate collaborative office management system real estate sales management system source code, are you used for development or direct use?