强力新材：公司的光敏性聚酰亚胺（PSPI）仍处于下游客户验证阶段，工作正常推进中

Core Viewpoint - The company, Strongly New Materials (300429), is currently in the customer validation phase for its photosensitive polyimide (PSPI), and the work is progressing normally [1] Group 1 - The company's PSPI product is still undergoing validation by downstream customers [1] - The validation process is reported to be progressing normally [1]