东方日升：P型超薄异质结的特种业务板块现阶段占公司营收比例极小

Group 1 - The core viewpoint of the article highlights that Dongfang Risen (300118) has reported a significant growth tendency in its P-type ultra-thin heterojunction specialty business segment, indicating substantial market capacity potential [1] - Currently, this specialty business segment accounts for a very small proportion of the company's overall revenue [1]