CRRC Changzhou Locomotive Co., Ltd. is a subsidiary of several levels.

Level one. According to Aiqi.com, CRRC Changzhou Locomotive Co., Ltd. is a first-class subsidiary of CRRC Company in China, which is mainly engaged in the research and development, manufacturing, sales, repair and leasing of railway locomotives, buses, trucks, multiple units, urban rail and subway vehicles and important parts, as well as the extension industry of rail transit equipment proprietary technology.