国风新材：公司目前主要产品有不同厚度规格的FPC用聚酰亚胺黄色基膜等

Core Viewpoint - Guofeng New Materials (000859) has responded to investor inquiries, highlighting its main products, which include various thickness specifications of polyimide yellow base film for FPC, polyimide black film for shielding, and polyimide carbon-based film [1] Product Overview - The company currently offers polyimide yellow base film in different thickness specifications for flexible printed circuits (FPC) [1] - Additionally, the company produces polyimide black film used for shielding applications [1] - The product line also includes polyimide carbon-based film [1]