... electricity charges, also very convenient to useOne complete solar energy system components: 1. High quality mono&poly photovoltaic solar modules2. Pure ... wires, support mounting, other accessories.Shipment : 1. By express company ,door to door service , EMS , DHL , TNT , delivery time is about 5 ... -7 days2. By air , door to airport , delivery time is about 3-5 days3. By ...