Beijing Benz halts production at two major factories due to lackluster EV sales and production line upgrade Beijing Benz successively suspended production at its two major factories in Beijing within a week 2.2w 09-15 17:11 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
