SNCF Class BB 12000 SNCF Class BB 12000 The SNCF Class BB 12000 were electric locomotives operated by SNCF. The first examples arrived on the railway in 1953, operating on the 25 kV 50 Hz line to the coal mines of the "Houillères de Lorraine" in the north-east of France. BB 12001 arrived in Mohon on July 17, 1954. Tried first along the Valenciennes – Lumes line, specifications called for a locomotive capable of pulling 750 tonne trains along a grade of 10 ‰. The 12000 Class proved more than capable, pulling 1100 tonne then 1400 tonne trains. BB 12006 using a different system
China Railway No.2 Group China Railway No.2 Group China Railway No.2 Group Co., Ltd. and China Railway Erju Engineering Co., Ltd. were two closely connected companies. They are formerly parent-subsidiary via China Railway Erju Co., Ltd. (CREC). The group is a Chinese construction company based in Chengdu. China Railway Erju is formerly listed on the Shanghai Stock Exchange; In turn, Erju (literally means the second bureau [of the former Ministry of Railways]) is an indirect subsidiary of China Railway Group Limited (also abb. CREC, successor of China Railway Engineering Corporation), which in turn indirectly supervised by the State-owned Assets Supervision and Administration Commission of