东田微(301183.SZ):采购法拉第旋转片用于生产光隔离器
Group 1 - The usage quantity of optical isolators varies based on customer design specifications and requirements [1] - The company acts as an upstream component supplier, producing and supplying based on customer orders [1] - The company does not manufacture Faraday rotation plates but procures them for the production of optical isolators [1]