Logical framework of enterprise integration platform is constructed, which is based on the model of user-process-applications. The application systems and business processes are encapsulated by the neutral and standard web services with the support of enterprise applications and database. By using services publishing and discovering mechanisms, enterprise resources can be located and shared. Services within the enterprise can by dynamically orchestrated as processes, so that the enterprise business process can by dynamically constructed and monitored according to the changing environment. Core of the platform is orchestration and management of web services, which is driver by a process engine. The platform is exhibited as enterprise portal supporting single sing-on. An enterprise –wide Kanban system is also incorporated within the platform, covering the enterprise and workshop information. An example is given at the end.