Recently, Chen Dehua, Director of the Safety Supervision Office of the Department of Transport of Jilin Province, Tan Ruibing, Director of the Safety Office of the Department of Transport of Jiangsu Province, and relevant leaders of the Transport Administration of Jilin Province, Expressway Group Co., Ltd., Hubei Hui’an Group and Shenyang Tongsu Technology Co., Ltd. went to the Jiangsu Technology Research Center of Transport Safety and Emergency for investigation and exchange.