Black Polyimide Film manufacturer / supplier in China, offering 0.125mm*455mm Thickness Dark Amber Polyimide (Kapton) Pi Film for Speaker Voice Coil, Biaxial Stretch 0.05mm Thickness 520mm Width Amber Yellow Electrical Insulation Polyimide Film, Electric Insulation Material 0.0125mm Polyimide Film Kapton Film and so on.