This production line is used to produce high-performance, innovative flfluorine-free solar photovoltaic backsheets  that conform to the trend of green manufacturing; the production line adopts multi-layer co-extrusion technology,  and designs a special screw structure according to the rheology of raw materials. The unique tempering setting  design, combined with high-precision thickness gauge, visual inspection system and automatic winding system,  fully guarantees the excellent quality of products.