The Second Public Security Tech Expo opened in Lianyungang, east China's Jiangsu Province. The exhibition showcased the latest innovations in criminal investigation technology, police equipment, traffic management, counter-terrorism tools, and command communications. Featuring 60 top Chinese companies, the expo aimed to bridge technological gaps and promote global collaboration in public security. CGTN reporter Wan Hongjia and police officer Gong Yule explored the exhibition firsthand, revealing the next generation of policing tools.