He was once the deputy director of the Criminal Investigation Corps of Beijing Public Security Bureau; Deputy Secretary General of Beijing Security Industry Association; General Manager of China Shipping International Security Co., Ltd; He is currently the General Manager of Beijing Zhonghai Anxin Security Service Co., Ltd; National Grade II security engineer. Han Jinkun has long been engaged in criminal technology and security technology prevention, and has rich experience in criminal investigation, technical investigation, security prevention and security management.