Group 1 - The fourth Yangtze River Delta International Emergency Disaster Reduction and Rescue Expo opened in Shanghai, attracting over 500 companies from nearly 20 countries and regions, showcasing over 3,000 cutting-edge equipment and technologies in emergency rescue, smart security, and disaster reduction [1][2] - The expo features a theme of "High-level safety services for high-quality development" and introduces a "demand-purchase" information release platform to accurately connect supply and demand in the industry chain [1] - Key focus areas include aviation rescue, water rescue, and smart security, with dedicated exhibition zones for aviation and water emergency rescue, highlighting advanced technologies such as UAVs, water rescue robots, and AI early warning systems [1] Group 2 - The Shanghai Emergency Management Bureau emphasizes the expo's market-oriented, professional, and international functions, showcasing collaborative achievements in emergency management and promoting the integration and transformation of the safety emergency industry [2] - The expo includes a supply-demand matching event for the "Safety Emergency Industry Going to Indonesia" and activities for overseas buyer procurement teams to align domestic products with international market needs [1] - A public welfare science popularization experience area is set up, featuring immersive interactive projects like VR earthquake escape and high-rise fire evacuation to enhance public awareness of disaster prevention and reduction [1]