The integrated optimization of a smart factory is primarily reflected in achieving network connections between different levels and types of equipment and systems within a workshop and a factory, as well as between the factory and the group. It enables data transmission across various levels, devices, and systems, ultimately ensuring the interconnection and interoperability of all types of information, thus realizing a closed-loop integration of information in the smart factory. The core of building a smart factory lies in integrated optimization. The key elements are summarized as follows: 1. Comprehensive facility connectivity: achieving industrial IoT connectivity between operating equipment and facilities, as well as factory networks; 2. Information interoperability: on the basis of the Industrial Internet, enabling data exchange and information communication between the workshop level, factory level, and various operational system software; 3. Closed-loop control: enabling the downward transmission of various decision-making optimization information formed at the group and factory levels for execution, thereby achieving closed-loop information control. Ultimately, this results in the digitalization, networking, and intelligentization of products across all stages of design, production, management, and service, achieving high flexibility and high integration across all aspects of the smart factory.

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