A drone is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

Police motorcycles are seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

Helmets are seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

A robotic dog is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

Police vehicle is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

A mini drone is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

Combat suits are seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

A police uniform is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN

A drone is seen at the 2nd Public Security Technology Expo, Lianyungang, east China's Jiangsu Province, September 17, 2025. Wang Hongjie/CGTN