To achieve safety, efficiency, low-carbon energy efficiency, and environmental protection in production and operation, equipment assets, and security prevention, governments and enterprises (G&E) find digitalization as their most effective technical means. The Southbound provides standardized connection services, while the Northbound offers unified capability opening services. This facilitates innovative applications based on different scenarios in the G&E industry, supports the building of intelligent operation centers, and provides unified access, management, and presentation for smart applications.