As a high-tech enterprise of Jiangsu province, Changzhou Ruitai Engineering Machinery Co., LTD grew out of the engineering machinery development department of Ministry of Railways Qishuyan Institute Co., LTD, which was established in June 2000. It is a fully owned subsidiary of CSR Qishuyan Institute Co., LTD.

The company is located in Qishuyan district Changzhou , 260 employees, technical staff of 85 people, register capital: fifty million RMB, fixed asset: one hundred million RMB. The company has fully passed the ISO 9001:2008 quality management system certifications, and gradually introduces International Railway Industry Standard (IRIS). The company also undertakes many times the task of key scientific research projects such as the National High Technology Research and Development Program of China(863 Program), National Torch Plan, the Ministry of Railways Science and Technology and Development Program, JiangSu Province , Changzhou and CSR Research Project, etc. To date, the company has received 46 awards for significant achievements in scientific research, 30 of them was patented. Gross sales reached 700 million Yuan in 2010.

CSR Qishuyan Locomotive & Rolling Stock Technology Research Institute Co., Ltd.(or "QSY"), specializes in the R & D of new materials and manufacturing processes as well as production of relevant products for China Railway. On the basis of the parent company's comprehension advantages and the introduction of foreign technology, the company keeps on making innovation and further research, creating all kinds of large-scale track maintenance machinery, which mainly includes tamping units, stabilizing units, gearbox and rail welding machine.

With the comprehensive advantages of technology development and integration, the company introduces a series of international advanced processing equipment and test instruments, setting up three perfect technology platforms including design, manufacture and test system, We are designed as the OEM suppliers and partners by many big multinational companies.

In the spirit of "cooperation, development and win-win ", the company develops and maintains positive customer relationship. On the basis of R&D of the new material and process, the company will bring into play the advantages of technological innovation to provide advanced large-scale track maintenance machinery products and solutions for rail users.