南大光电：控股子公司宁波南大光电主要从事中高端光刻胶的研发和产业化

Core Viewpoint - Nanda Optoelectronics (300346) is focusing on the research and industrialization of mid-to-high-end photoresists, specifically ArF and KrF photoresists, with an emphasis on product validation and process stability [1] Company Summary - The company's subsidiary, Ningbo Nanda Optoelectronics, is primarily engaged in the development and industrialization of mid-to-high-end photoresists [1] - The core raw materials for the products are developed independently by the company [1]