China Railway Construction Heavy Industry Corporation Limited engages in the research, design, development, manufacturing, leasing, sale, and servicing of tunnel boring machines, rail transit equipment, and specialized equipment in China and internationally. The company offers tunnel boring machines, drilling and blasting construction equipment, rail track and transit systems, agricultural machines, green building materials construction equipment, new construction materials, and mine construction equipment. China Railway Construction Heavy Industry Corporation Limited was founded in 2006 and is headquartered in Changsha, China. The company operates as a subsidiary of China Railway Construction Corporation Limited.