YISHENG MATERIAL.YISHENG MATERIAL, established in 2016 and headquartered in Suzhou, Jiangsu, is a high-tech enterprise specializing in the R&D, production, and sales of polymer functional membrane materials. Leveraging core technologies in PVF/PVDF/FEVE fluoropolymer materials and EVA/POE hot-melt adhesives, the company has developed a series of solar encapsulation films and backsheets with a 25+ year warranty. These products lead the industry in mechanical strength, adhesion performance, weather resistance, and barrier properties. Its business spans the photovoltaic, optical, and electronics industries, with core products including solar encapsulation films, PV backsheets, PV modules, and flexible optical materials. By 2025, its annual PV backsheet production capacity will exceed 130 million square meters, encapsulation film capacity will reach 450 million square meters, and overseas module production capacity is planned at 1.5GW, demonstrating significant growth potential.