Qiuyi Li is the deputy chief engineer at China Railway Siyuan Survey and Design Group Co., Ltd., an expert at China Railway Construction Corporation, and serves as the deputy director of the Hubei Key Laboratory. He holds the titles of Doctor and Professorate Senior Engineer, specializing in track design and technology research and development for high-speed railways and urban rail transit. He has 2 National Science and Technology Progress awards, published two monographs, authored eight standards and specifications, and obtained 32 invention patents, 66 utility model patents, and 11 software copyrights. He has also received the National May Day Labor Medal, was selected for the "National Hundred Million Talents Project," earned the honorary title of "Outstanding Contributions Young and Middle-Aged Expert," Special allowance from the State Council of the People's Republic of China, and won the Zhan Tianyou Railway Science and Technology Award—Achievement Award. Bin Zhu, vice chief engineer of the railway line and station design and research department at China Railway Siyuan Survey and Design Group Co., Ltd., holds the titles of Professorate Senior Engineer, Registered Supervision Engineer, and Secretary General of the Standardization (Track) Professional Committee of China Railway Society. He has led track design projects for the Guangzhou-Shenzhen-Hong Kong High-speed Railway, Hangzhou-Changsha High-speed Railway, and Nanchang-Ganzhou High-speed Railway. His expertise includes designing continuous welded rail with welded turnouts, master slab track, bi-block sleeper ballast-less tracks, and ballast-less track designs. Shijie Zhang is the director of the Track Institute at China Railway Siyuan Survey and Design Group Co., Ltd. and a professor engineer. He focuses on high-speed railway and urban rail transit track engineering structure design, continuous welded rail, and the research and application of intelligent construction and operation and maintenance technology. He has been responsible for track design on projects such as the Nanjing-Hangzhou, Hangzhou-Ningbo, and Hangzhou-Huangshan High-speed Railways. He has received three Science and Technology Awards from the China Railway Society, six Excellent Engineering Design Awards from the National Railway Administration, four Science and Technology Awards from the China Construction Enterprise Management Association, and seven additional Science and Technology Awards from the China Railway Construction Corporation.
