美联新材：控股孙公司辉虹科技生产的EX电子材料处于国内唯一

Group 1 - The core viewpoint of the article is that Meilian New Materials has established a leading position in the production of EX electronic materials, which are critical resin materials for the semiconductor industry, achieving domestic substitution and global leadership [2] Group 2 - The company’s subsidiary, Huihong Technology, is noted for being the only producer of EX electronic materials in China, highlighting its unique market position [2] - The achievement signifies a significant advancement in the domestic semiconductor sector, indicating a shift towards local production capabilities [2]