JW Insights: Over 70% of China’s listed mobile phone supply chain companies suffer net profit drop A total of 122 companies experienced a decline in net profit in the first half of 2023 among the 174 smartphone industry chain companies 2.1w 09-11 15:01 READ MOST 我国授权纳米专利总数达46.4万件 居世界第一 7027 08-30 21:46 POPULAR TAGS 纳米 中科院 专利
