城市轨道车辆国产化是关系到我国城市轨道交通可持续发展的重大课题。我国最早投入运营的北京地铁，车辆绝大部分为国产，不但建设成本低，运营成本也很低。而最近通车的城市轨道交通系统由于车辆等设备系统主要依靠国外进口，致使车辆占工程投资的比例已从10％上升到近20％， The localization of urban rail vehicles is a major issue that is related to the sustainable development of urban rail transit in our country. The earliest put into operation in China’s Beijing Metro, the vast majority of vehicles made domestically, not only low construction costs, operating costs are also low. The recent opening of the urban rail transit system due to vehicles and other equipment systems rely mainly on foreign imports, resulting in vehicles accounted for the proportion of project investment has risen from 10% to nearly 20%