Chengdu and Chongqing, two cities in China sharing a common love for spicy food and culture, are strengthening their collaboration through initiatives like the China-Europe Express and the Chengdu-Chongqing Hydrogen Corridor. The China-Europe Railway Express has seen significant success, with Chengdu and Chongqing ranking among the top three cities for competitiveness in freight transport. The region has witnessed over 5,500 trains operating between the two cities, showcasing their robust connectivity. Moreover, the launch of over 1,000 hydrogen fuel cell vehicles and close to 20 hydrogen stations highlights their commitment to sustainable transportation and green innovation. Cao Zhihui, from DEC Boiler, emphasized that the Chengdu-Chongqing Hydrogen Corridor aims to drive green innovation by connecting the two cities and fostering industry collaboration. The collaboration has led to the development of a comprehensive hydrogen supply chain involving various companies and research institutions, positioning the region as a hub for hydrogen technology. By planning intercity routes and direct trunk lines, Chengdu and Chongqing are forming an integrated hydrogen economy network, showcasing their commitment to a sustainable future. The demonstration projects initiated by DEC Boiler are expected to enhance the industry chain, boost market prospects, and drive the development of logistics and the hydrogen industry in Chengdu and Chongqing. With their focus on clean energy and sustainability, the two cities are paving the way for innovative solutions and industry partnerships that prioritize environmental conservation and technological advancement.