This paper explores the development background, core architecture, and driving role of China's digital industrial platforms in the industrial economy. By sorting out relevant policies, technological paths, and typical application cases, it analyzes the key value of digital industrial platforms in optimizing production processes, promoting resource collaboration, and empowering the transformation and upgrading of the manufacturing industry. Research shows that China's digital industrial platforms are gradually becoming core infrastructure supporting the intelligent, networked, and service-oriented development of the industry, and providing an important driving force for building a modern industrial system. Meanwhile, combined with research results related to supply chain resilience improvement and coordinated regional economic development in the digital economy, the linkage value of digital industrial platforms in multi-dimensional economic development is further highlighted, providing references for the coordinated promotion of manufacturing digital transformation and high-quality economic development.