美联新材(300586.SZ)：控股孙公司辉虹科技生产的EX电子材料可以应用于M9级高端覆铜板

Core Viewpoint - Meilian New Materials (300586.SZ) is advancing the engineering testing process for its EX electronic materials, which are applicable in M9-level high-end copper-clad laminates, aiming for early mass procurement by customers [1] Group 1 - The company’s subsidiary, Huihong Technology, produces EX electronic materials [1] - The EX electronic materials are currently undergoing validation with downstream customers [1] - The validation cycle for electronic materials is lengthy, prompting the company to expedite the engineering testing process [1]