On June 10, 2025, diplomats and representatives from 13 countries gathered at the Dalian Changxing Island Economic and Technological Development Zone in Dalian, Liaoning Province, China. The visit aimed to provide a platform for collaboration and enhance international understanding of China's comprehensive revitalization strategy for Northeast China. The economic zone, situated on Changxing Island, is strategically developing into a world-class petrochemical industrial base and a hub for ship and marine engineering industries. Notably, it also aspires to become a leading Northeast Asia hydrogen-based energy refueling base. The delegation's visit showcased China's efforts to deeply integrate its petrochemical industry into the global supply chain. The event highlighted the zone's ambition to play a significant role in the global petrochemical market while fostering international partnerships and showcasing China's economic development initiatives. Overall, the sentiment in the article is positive, emphasizing the potential for collaboration and growth in the region.