http://www.alibaba.com/rss/product_search/tour bus.rss Marketplace of export & import, offers company directory, catalog, trade leads to importer, exporter, manufacturer, wholesaler. en-us alibaba http://www.alibaba.com/product-gs/278044056/Electromagnetic_Retarder_for_passengers_safe.html Electromagnetic Retarder: <br>1.Light. <br>2.Medium torque. <br>3.Suitable for buses and touring buses between 6 and 9 meters.