Core Viewpoint - The hydrogen energy industry is focusing on quality assurance through comprehensive testing and standards, which is essential for its safe and effective development [2][3][4]. Group 1: Industry Development - A dialogue on hydrogen energy testing needs and technological bottlenecks was held in Dalian, involving over 70 representatives from government, research institutions, and industry [1]. - The establishment of a hydrogen energy standard system in Dalian is a significant development, covering key areas such as hydrogen production, storage, and application, which provides clear guidelines for purity and safety standards [2][3]. - The Dalian Hydrogen Energy Testing Center has been established to support the entire hydrogen energy supply chain, ensuring quality and safety in operations [3][6]. Group 2: Technological Innovation - The Dalian Testing and Certification Group showcased a lifecycle testing solution for hydrogen tanks, which monitors pressure changes and leakage risks, enhancing operational safety for hydrogen fuel cell vehicles [3]. - Collaborative efforts among government, research institutions, and enterprises are fostering innovation in hydrogen energy applications, with projects like green hydrogen and green alcohol expected to commence construction soon [4][5]. Group 3: Regional Collaboration - Dalian is leading the establishment of a "Northeast Hydrogen Energy Expressway," facilitating cross-province logistics for hydrogen vehicles and reducing operational costs through mutual recognition of testing results [5][6]. - The region is also positioning itself as a hub for hydrogen energy shipping, with initiatives like the construction of green methanol berths and the promotion of hydrogen fuel cell vehicles [6].