1. There are strict quality requirements for Longsun solar panels for sale or matter in the materials or workmanship. It will be scrutinized by the QC department for the timber water content, veneer painting, door face polishing, adhesive quality, board seaming quality, and so on. The product is delivered with certificates, installation manual, and maintenance instructions
2. LONGSUN SOLARELECTRIC CO.,LTD adopts the most stringent set of quality management system. The product has a reasonable output power tolerance of +/-3
3. The product has a fine melting point. It is an optimized refractory material which can prevent it have a reaction with the molten materials. The product comes with sturdy frames and can withstand a heavy snow load and high wind pressure
1. Specializing in manufacturing all types of high capacity solar panels and related products, LONGSUN SOLARELECTRIC CO.,LTD is notable for the strong competence in this field.
2. LONGSUN SOLARELECTRIC CO.,LTD has superiority of advanced technology.
3. LONGSUN SOLARELECTRIC CO.,LTD will guarantee greater customer satisfaction throughout the purchasing procedure. Please contact us!