求翻译：　　奇瑞、吉利、宇通、北汽等18个厂家携带200余辆最新研发的自主品牌汽车、新能源汽车、概念车、电动客车以及具有完全自主知识产权的发动机、自动变速箱等核心零部件参展。是什么意思？

　　Chery, Geely, Yutong, beiqi 18 manufacturers to carry more than 200 vehicles, such as the latest research and development of own brand cars and new energy vehicles, concept cars, electric passenger cars and engines, automatic transmission with a full independent intellectual property core components such as exhibitors.