Some foldable solar panel items on the internet are marked "Free Sample" and can be ordered as such. In general, LONGSUN SOLARELECTRIC CO.,LTD's regular products are available for free samples. However, if the customer has some specific requirements such as product size, material, color or LOGO, we shall charge the relevant costs. We keen for your understanding that we would like to charge the sample cost which will be deducted once the order is confirmed.
LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel is one of the Chinese biggest producers of solar panel. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, 5000W FI Solar Energy Inverter For Pure Sine Wave series enjoy a relatively high recognition in the market. There are strict performance requirements for Longsun foldable solar panel. The product has to pass tests in terms of bacteria resistance, slip resistance, abrasion resistance, stretchability, etc. Its low voltage-temperature coefficient allows better output under high temperature. LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel maintains strategic alliance relationships with many companies. The product comes with various power options to satisfy all your needs.
It proves to be right that a good service will do a great help to the development of Longsun. Inquiry!