China Railway Construction Heavy industry Corporation Limited (referred to as CRCHI) was established in 2007 as a subsidiary of China Railway Construction Corporation Limited. It is a large professional enterprise integrating the research design, manufacturing and service of underground engineering equipment and rail transit equipment. CRCHI ranks 1st among the top 5 global tunnel engineering equipment manufacturers, 30th among the top 50 global construction machinery manufacturers, 1st among China's top 10 specialized construction machinery manufacturers, and 5th among China's construction machinery manufacturers, On June 22, 2021, CRCHI (688425) was successfully listed on the Sci-tech innovation Board (STAR Market) of the Shanghai Stock Exchange, setting multiple records, including the first A-share spin-off listing of a central state-owned enterprise, the first sci-tech board listing in the construction machinery industry,. and the largest fundraising scale in the professional equipment manufacturing sector.

CRCHI is committed to systematic and disruptive independent innovation, mastering key core technologies, and creating national heavy equipment, embarking on a path of autonomous innovation from "following" to "leading." starting from scratch, it has developed industries such as tunnel boring machines, drill-and-blast tunnel equipment, cold excavation equipment, green environmental equipment, high-end agricultural machinery, rail systems, new rail transit equipment.emerging engineering materials, and plateau prefabricated intelligent buildings, establishing globally advanced manufacturing bases for underground engineering equipment and rail transit equipment.

CRCHI focuses on differentiated and customized high-end equipment R&D and manufacturing, striving to become a world-class modern high-end equipment manufacturing and service solution provider, customizing more national heavy equipment for global customers, offering superior Chinese solutions, and contributing greater Chinese wisdom.