Jiangsu Nata Opto-Electronic Material (江苏南大光电材料股份有限公司, 南大光电) is a company that specializes in the research and development, production, and sales of high-purity electronic materials. It offers precursor materials, electronic special gas, and photoresist and supporting materials that are used in the preparation of IC, LCD, LED, OLED, power devices, semiconductor lasers, and other fields.