Hefei Guofeng Advanced Basic Materials Technology Co., Ltd.Guofeng Xianji Company, a wholly-owned subsidiary of Guofeng New Material, is a high-tech enterprise specializing in the R&D, production, sales, and service of high-performance polyimide (PI) materials.PI film, commonly known as the "gold film" in the industry, is one of the polymer materials with the best comprehensive performance. It exhibits excellent properties such as high insulation, high heat resistance, high strength, and high ...