The 4th Yangtze River Delta International Emergency Disaster Reduction and Rescue Expo grandly opened at the National Exhibition and Convention Center (Shanghai) from May 13th to 15th. This exhibition, with the theme of "High-level Safety Boosting Chinese-Style Modernization", has attracted many domestic and foreign enterprises in the emergency response field to participate. Among them, the second-generation multi-functional communication, positioning and search and rescue interactive intelligent command system of Wuxi Kaichang, with its cutting-edge technology, interactive experience and flexible solutions based on scene projects, became the hot topic of the entire event, attracting many professional channel partners to come and experience and discuss. Channel partners and professional visitors highly recognized Kaichang's high-cost-performance intelligent and sustainable upgrade solution for fire-fighting equipment in line with the practical needs of fire rescue. They all got hands-on experience of the system product performance and conducted preliminary cooperation discussions based on their respective resource channels.