Didi’s self-driving freight business KargoBot will operate independently after $62 million investment KargoBot, the autonomous driving freight business of Chinese ride-hailing giant Didi Chuxing, will begin to operate independently 1.3w 10-18 17:54 READ MOST 我国授权纳米专利总数达46.4万件 居世界第一 8177 08-30 21:46 POPULAR TAGS 纳米 中科院 专利