China Railway High-tech Industrial Co., Ltd. is an A-share listed company (SH.600528) under China Railway Co., Ltd., which owns China Railway Mountain Bridge, China Railway Baoqiao, China Railway Science and Technology, China Railway Equipment, China Railway Jiuqiao, China Railway Engineering Services, and China Railway Heavy Industry , China Railway Environment, China Railway New Rail Transit and other subsidiaries, whose business scope covers the research and development, design, production and manufacturing of tunnel boring equipment, railway switches, steel bridges, railway construction machinery, bridge construction machinery, new rail transit vehicles, environmental protection equipment, and Project investment and other projects, the market share and comprehensive strength of its main business rank among the world's top.

The company is a leading enterprise in the research, development, manufacturing and service of tunnel boring equipment in my country. It has developed a full series of shield/hard rock boring machines (TBM) products with different sections and different adaptability such as soil pressure, mud and water, and hard rock, as well as rock drilling platforms. Special equipment products for tunnel mechanization represented by vehicles, cantilever boring machines, concrete wet spray trolleys, etc. are spread across more than 40 provinces, cities and regions in China, and are exported to more than 30 countries and regions such as France, Italy, Germany, and South Korea.