Core Viewpoint - The China CRRC Modern Industrial Chain Integration Development Conference held on October 16 in Changchun showcased multiple hydrogen energy products, focusing on the collaboration of three major industrial chains: rail transit equipment, clean energy equipment, and hydrogen energy [2] Group 1: Event Overview - The conference aims to establish a new industrial ecosystem characterized by openness, sharing, and mutual benefit through central-local cooperation and industrial chain linkage [2] Group 2: Product Highlights - Various hydrogen energy products were presented, including hydrogen-powered locomotives and hydrogen fuel cell passenger trains, attracting significant attention from attendees [2][4][6][8] - A hydrogen refueling robot was also demonstrated, showcasing advancements in hydrogen energy technology [10] Group 3: Industry Collaboration - The event emphasized the integration of rail transit, clean energy, and hydrogen energy industries, highlighting the importance of cross-chain collaboration [12]