强力新材：光敏性聚酰亚胺仍处于客户验证阶段

Group 1 - The core point of the article is that Strongly New Materials (300429) announced on August 4 that its photosensitive polyimide (PSPI) is still in the customer verification stage and has not yet passed certification [1] Group 2 - The company is currently undergoing a validation process for its PSPI product, indicating that it is in the early stages of market readiness [1] - As of now, there are no confirmed certifications for the PSPI, which may impact its market introduction timeline [1]