CRRC Qishuyan Locomotive & Rolling Stock Technology Research Institute Co., Ltd. was founded in 1959 and is a wholly-owned subsidiary of CRRC Corporation Limited, a national high-tech enterprise. It currently has over 3,200 employees and six major production bases. In 2022, its sales revenue exceeded 4.5 billion yuan. The company mainly operates in seven sectors: rail transit components, rail engineering machinery, auto parts, mining machinery, testing and training certification, wind power equipment, and intelligent equipment system solutions. It boasts world-class production facilities, with casting, forging, welding, heat treatment, machining, and gear processing all handled in-house.