China produces self-driving charging robots to overcome EV charging challenges globally China is producing self-driving charging robots to juice up EVs as part of broader efforts for a more advanced EV ecosystem 2w 10-07 17:22 READ MOST 我国授权纳米专利总数达46.4万件 居世界第一 8361 08-30 21:46 POPULAR TAGS 纳米 中科院 专利