Different manufacturers have different charging methods for the freight of polysilicon solar panels sample. For NANJING KSUNSOLAR TECHNOLOGY CO., LTD., we've got a number of options for satisfying customers' reference. The freight of the sample is mainly decided by the shipping destination and modes of transport. We clearly know that for some manufacturers, they charge the freight as they may spend more shipping the sample than manufacturing it. For other manufacturers, they may not care about the freight because they have cooperated with large-scale logistics companies and are able to get a very nice discount on the freight. For more details about the sample freight or more negotiations, please contact us directly.

Being one of the most competitive companies specializing in the R&D, design, and production of best off grid solar panels, Nanjing KSUN Solar Technology Co., Ltd. is widely accepted. According to the material, KSUN Solar Products's products are divided into several categories, and photovoltaic cell polycrystalline solar panel is one of them. All of the materials used in KSUN Solar Products solar led lighting system are inspected for quality. The timber will be visually inspected to check for flaws such as wormholes and knots, and the board will be inspected to make sure moisture content must be not over 12%. Without consideration of the KSUN Solar Products staff, solar powered led lights can not be produced to be so excellent.

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