Film for Solar Cell Backsheet, Polyester Film, BOPET Film manufacturer / supplier in China, offering 300-500 Micron Milky White Plastic Product Translucent BOPET Film for Motor Slot Insulation (6023D), High Purity 300-500μ M Milky White Translucent Insulation Packaging Pet Film (6023D), 100μ M-500μ M Insulation Pet Film with UL (6021) and so on.