Film for Solar Cell Backsheet, Polyester Film, BOPET Film manufacturer / supplier in China, offering 100-500μ M Insulation Film with UL (6021) for Insulating Base Material for Partition Between Coils of Dry-Type Transformer, Insulating Base Material for Partition Between Coils of Dry-Type Transformer Milky White Pet Polyester Insulation Film (6023D-1), 300-500μ M Milky White Translucent Pet Film for 3D Printer Capacitor Insulation (6023D) and so on.