Chinese smartphone giant Xiaomi expands into battery recycling Chinese smartphone giant Xiaomi has invested in battery recycling company Ruilong Technology 1.4w 11-07 16:49 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
