The reporter learned from China National Railway Group Co., Ltd. (hereinafter referred to as "China Railway Group") that from January to April, fixed assets investment of national railways was 167.4 billion yuan, up 6.3% year on year, and the construction of modern railway infrastructure system was accelerated. Since the beginning of this year, China Railway Group has conscientiously implemented the spirit of the 20th National Congress of the Communist Party of China and the Central Economic Work Conference, focusing on 102 major railway related projects in the "14th Five Year Plan" outline, highlighting networking, network supplementation, and strong chain construction, and promoting railway construction to high standards. Efforts have been made to fully complete construction investment and physical workload. Up to now, the track laying of Nanchang Jingdezhen Mount Huangshan High speed Railway and Tianjin Daxing International Airport Railway has been completed; Launch of joint debugging and testing for the Guizhou section of the Guiyang Nanning high-speed railway; Breakthroughs have been made in controlling projects under construction, including the Shenzhen Jiangmen High Speed Railway, Nanchang Jiujiang High Speed Railway, and Lijiang Shangri La Railway. (New News Agency)