For foldable solar panel and other products, samples are free except you will bear the express cost. An express account such as DHL or FEDEX is needed. We are keen for your understanding that we have a lot of samples to send every day. If all the freight are borne by us, the cost will be very high. In order to express our sincerity, as long as the sample is confirmed successfully, the freight of the sample will be offset when the order is placed, which is equivalent to free delivery and free shipping.
The business of LONGSUN SOLARELECTRIC CO.,LTD has a global reach with production sites all over the worlds. As one of LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel's multiple product series, polycrystalline solar panel series enjoy a relatively high recognition in the market. The design of Longsun foldable solar panel has taken into account many factors. These factors include biomechanical comfort (plantar pressure), force distribution, fire resistance ability, and slip resistance. The product has a reasonable output power tolerance of +/-3%. Longsun is professional to provide FI series OEM / ODM services. The product enables you to harness the power of the sun and drastically cut your energy bills.
Constant excellence and constant quality assurance are of great importance to Longsun. Ask!