孚日股份(002083.SZ)：孚日鸿硅的产品目前没有与宁德时代、比亚迪等头部电池厂商建立技术对接或客户认证合作

Group 1 - The core viewpoint of the article indicates that Furi Group (孚日股份) has not established technical connections or customer certification collaborations with leading battery manufacturers such as CATL and BYD [1] Group 2 - Furi Group's product, Furi Hong Silicon, is currently not engaged in partnerships with major players in the battery industry [1]