四方光电：关于收到客户项目定点通知的自愿性披露公告

Core Viewpoint - Sifang Optoelectronics has received a project designation notification from a well-known international automotive manufacturer for the supply of automotive-grade PM2.5 sensors [2] Group 1 - The notification indicates a significant opportunity for Sifang Optoelectronics in the automotive sensor market [2]