Dalian Locomotive & Roll Stock Works is a large-sized keystone enterprise in China founded in 1899. It mainly manufactures Dali Brand DF series diesel electric locomotives, city-trans trams, roll stocks, DL240, 280 diesel engines, and various locomotive parts and other types of diesel electric locomotives. The annual output are over 500 sets of locomotives and more than 2000 roll stocks. The factory site covers a land area of 900,000 sq meters. Beautiful scenery makes the factory like a garden of attraction. Since the establishment of P.R.C., DLRW has undertaken six times large scale technological reconstruction, and gradually grows to be a modernized enterprise with complete capability on designing and manufacturing the latest diesel electric locomotives. The Works successfully manufactured China's first Heping type artery steam locomotive in 1954, the first Julong type diesel electric locomotive in 1958, DF medium power diesel electric locomotive in 1964, DF 4 high power diesel electric locomotive in 1969... Within a dozen of years, the Works has designed and manufactured ten models steam locomotives, over 40 models diesel electric locomotives and nearly 40 models railway transport wagons. The total output of our works accounts for over 50% of the national total output. The Works is honored the title of the cradle of locomotives by state leaders.