艾森股份：目前公司正性PSPI光刻胶已在部分客户实现小批量交付

Core Insights - The company has begun small-scale deliveries of its positive PSPI photoresist to certain clients and is simultaneously advancing verification work with several leading wafer fabs [2] - The company is also in the client validation phase for its ultra-high sensitivity PSPI and low-temperature curing negative PSPI products to meet various technical requirements [2]