ZhengGang He,Ph.D,associate professor,master tutor,in dalian railway institute a bachelor's degree in engineering in 1999,2006 for southwest jiaotong university doctorate in transportation planning and management, the same year stay in work. Currently he is director of China logistics association, dispose and resource utilization of hazardous waste harmless industrial technology innovation strategy alliance member, member of China association of circular economy, expert of modern logistics association of sichuan province.