As data emerges as the core engine powering high-quality digital transformation in global cities, urban development is transitioning from "digital pilot projects" to a new phase of "data-empowered collaborative governance, industrial upgrading, and international cooperation." This roundtable will focus on cross-sectoral data flows and market-oriented allocation of production factors, exploring how to practically implement data-driven solutions in smart governance, industrial economies, green development, and public services through open sharing mechanisms and public-private collaboration.