About Pei Ying
About 通号城市軌道交通技術有限公司,北京 100070
About Tielu Tongxin Xinhao Gongcheng jishu
About rolling stock
About electric power
About electric railcar
About city
About public transportation
About telecommunication
About インテリジェント制御
About 輸送量
About Interior power distribution,power source equipment
About 知能制御
About 集積
About 研究