In the field of photovoltaic cells, PVF film serves as the only back-sheet film material with over 30 years of proven outdoor performance. Its failure rate is significantly lower than that of other materials, making it the "golden" standard in the photovoltaic industry. Among them, PVF transparent film has become one of the few polymer materials that meet the technical requirements for back-sheets of bifacial photovoltaic modules due to its excellent performance. It provides strong support for the technological upgrading and iteration of photovoltaic modules.