欧科亿(688308.SH)：在PCB钻针的棒材业务领域已实现向下游核心客户供货

Core Viewpoint - The company has successfully begun supplying PCB drill needle rod materials to key downstream customers and plans to expand production capacity and supply in this area while seeking to extend its industrial chain [1] Group 1 - The company has achieved supply to core downstream customers in the PCB drill needle rod material business [1] - Future plans include actively expanding production capacity and supply of PCB drill needle rod materials [1] - The company is also looking to extend its industrial chain [1]