Supercapacitors are a type of new energy storage devices. With strengths such as fast charging/discharging, high efficiency and stability, they are a kind of clean green energies, and new green energies of the 21st century. The national patented products independently developed and manufactured by the company include supercapacitors and supporting product series. These products are characterized by fast charging, long service life, high specific power, low temperature resistance, energy conservation and environmental protection.