Flexible Solar Panel, Solar Light, Solar Ventilation Fan manufacturer / supplier in China, offering 30W 9.6ah Solar Powered Battery System for Power Solar Attic Vent, Large Scale Industrial Use 250W Solar Powered Exhaust Ventilation System for Wall Mounting with AC/DC Adaptor (SN2015018), 12inch 30W Solar Powered Ceiling Air Exhaust Fan Blower (SN2016025) and so on.