SNCF Class BB 27300 the number carried on the locomotive is prefixed with the number 8, to denote the unit as belonging to the Île-de-France division of SNCF. The first locomotives entered service in 2006 on suburban trains from Paris Montparnasse railway station. Current deployment sees a total of 25 locomotives operating services from Paris-Montparnasse on trains to Dreux, Mantes-la-Jolie and Rambouillet. At Montparnasse they have displaced older SNCF Class BB 8500 and BB 25500 locomotives. A further 42 locomotives operate from Paris Saint-Lazare railway station on trains to Poissy, Mantes-la-Jolie, Pontoise, Gisors, and Ermont Eaubonne. At Saint-Lazare BB 8500 and BB 17000 locomotives
China Railway Guangzhou Group Company Law of China. China Railway is a state-owned enterprise (replacing the Ministry of Railways) that the Ministry of Finance acted as the shareholder. The Chinese character means iron, but means railway, thus the company did not have any relation with Guangzhou Iron and Steel (). China Railway Guangzhou Group China Railway Guangzhou Group, officially abbreviated as CR Guangzhou or CR-Guangzhou, formerly, Guangzhou Railway (Group) Corporation from 1993 to 2017 and Guangzhou Railway Administration from 1953 to 1993, is a subsidiaries company under the jurisdiction of the China Railway (formerly the Ministry of Railway). It supervises the railway network within