濮阳惠成(300481.SZ):公司没有光引擎项目
Group 1 - The company, Puyang Huicheng (300481.SZ), confirmed that it does not have a light engine project [1] - The main business activities of the company include the research, development, production, and sales of anhydride derivatives and functional material intermediates [1] - The company's products are widely used in various fields such as electronic component packaging materials, electrical equipment insulation materials, wind power, composite materials, and coatings [1] Group 2 - Functional material intermediates produced by the company are primarily used in organic optoelectronic materials [1]