China first automobile group CA6120URHEV21 Jiefang hybrid electric city bus to the success of the 2012 09 month 19 days to obtain the Ministry of industry and information technology "vehicle production enterprises and product announcement" (the 240 batch), the model for success in 2013 03 months 21 get the Ministry of industry and information technology "energy-saving models recommended directory and demonstration application project energy vehicle" (the forty-third batch). Has pointed out clearly that the Ministry of industry and information technology "vehicle production enterprises and product announcement", 336V/40Ah type Ni MH battery our production (single nominal voltage is 1.2V, the monomer battery capacity is 40Ah, rated voltage 336V, rated capacity of 40Ah), CA6120URHEV21 Jiefang hybrid electric city bus in power the battery system is one of the main suppliers.