濮阳惠成：公司产品广泛应用于电子元器件封装材料、涂料等诸多领域

Group 1 - The company, Puyang Huicheng (300481), has a diverse range of products that are widely used in various fields including electronic component packaging materials, electrical equipment insulation materials, wind power, composite materials, and coatings [1] - The functional material intermediates produced by the company are primarily utilized in the field of organic optoelectronic materials [1]