TOP SOLAR was established in November 2008. It is located in No. 10 Xinzhuang Town, Changshu, Suzhou. It is engaged in the research and development, production and sale of insulation backboard, fluorine film and junction box for photovoltaic components. The company is one of the drafting units of the insulation backplane for PV modules, and the main drafting unit of the fluorine Film International (formulation) for PV module insulation backplane. The company has experienced four years of independent research and development of the PVD fluorine membrane to obtain the national invention patent. It has played a certain role in promoting the core technology of fluorine film, the localization and standardization of fluorine film in the photovoltaic insulation backboard industry.