Can polycrystalline solar panel sample charge be refunded if order is placed?
This is possible if the polycrystalline solar panel samples are offered not in free way. It is great honor for LONGSUN SOLARELECTRIC CO.,LTD to be your supplier. If the sample charge cannot be refunded, a discount may be offered. If the sample charge is refunded, details may be listed in the contract signed.
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LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel has developed into an international company. For many years, we have devoted to the R&D and producing of most efficient solar panels. round solar panels series manufactured by LONGSUN SOLARELECTRIC CO.,LTD Longsun Solar Panel include multiple types. And the products shown below belong to this type. The materials of Longsun most efficient solar panels are carefully selected based on customers' specification/size requirements. The solar cells are highly efficient and reliable for stable electricity output. The product can effectively remove most of the sediment, suspended solids, and other contaminants with its high-efficient ultrafiltration device. The product has excellent waterproofing and dust-proofing performance.
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We have made efforts in promoting green production. In our business activities, including production, we seek new ways to efficiently utilize natural resources and energy resources, aiming to reduce resource waste.

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