Thanks to the successful experience of introducing new energy vehicles to public transport, the Gyeonygi Research Institute delegate paid CDI a visit and had discussion on the development of new energy application in China. CDI delegate believed, to forge the sustainable development of electrifying transportation, government ought to improve relevant technic to upgrade the quality of vehicles including batteries, electric machinery and etc. to meet the current needs. In the meanwhile, the maintenance efforts will also need the reinforcement and supervision.