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6 Enterprise Operation Management System
6.1 General Requirements
6.1.1 Enterprise operation management system shall consist of ERP system，CRM system and SCM system.
6.1.2 System design should employ the logic structure shown in Figure 6.1.2.
Figure 6.1.2 Logic structure of enterprise operation management system
6.1.3 Enterprise operation management system shall have all its sub-systems integrated，and shall provide interfaces for integrating with manufacturing execution system and general information management system.