Located in Changzhou, CRRC Qishuyan Locomotive Co., Ltd. is mainly engaged in the research and development, manufacture and maintenance of railway passenger and freight diesel locomotives, and its business involves many fields of rail transit equipment such as diesel locomotives, electric locomotives, urban rail vehicles and construction machinery. 1936 division moved to Changzhou Qishuyan and changed its name to Qishuyan Machinery Factory. The company covers an area of about 980,000 square meters and has more than 4,600 sets of various equipment. In recent years, the business has expanded to many fields of rail transit equipment such as diesel locomotives, electric locomotives, urban rail vehicles and construction machinery.