Established in 1905, CSR Qishuyan Locomotive Co., Ltd. is located in Changzhou, Jiangsu Province, facing Shanghai on the east and Nanjing on the west, with Beijing-Shanghai railway and Shanghai-Nanjing intercity railway threading their way through the company. The company is recognized as the developing and manufacturing base for principal diesel locomotives for passenger and freight transport in Chinese railway, and as a traction power pioneer of the six speed-UPS in Chinese railway. The company is affiliated with China South Locomotive & Rolling Stock Corporation Limited (abbreviated as CSR hereafter) under the State-owned Assets Supervision and Administration Commission of the State Council.

The company occupies 1.9 million square meters with more than 6, 000 employees, including more than 1, 400 administrative engineers and technicians, among whom there are 167 senior and professional technical personnel, 18 experts who enjoy the State Council special allowance or make outstanding contribution at the state or ministerial level. The company possesses over 4, 500 sets of various equipment and has strong machining and casting capacity, complete physicochemical testing, measuring and inspecting means. It excels in manufacturing, overhauling diesel locomotives and supplying components. At present, the company is investing to build a new industrial base to further enhance its productivity.

Since 1996, the company has successively passed the certification of ISO9001: 2000 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System and the China National Accreditation For Laboratories, and obtained the certificate of AAR (Association of American Railroads) M-1003 Quality Assurance Program, DIN EN 15085 Welding of Rail Vehicles and Components, and registers of shipping, such as DNV, GL, BV, LR and ABS.