foldable portable solar panels To be the pioneer in the international market, Longsun makes great efforts to offer superior products. They are provided with optimal performance and thoughtful after-sales service, endowing customers with many benefits like gaining more revenues than before. Our products sell very fast once launched. The benefits they bring to customers are immeasurable.
Longsun foldable portable solar panels During the production of foldable portable solar panels, LONGSUN SOLARELECTRIC CO.,LTD divides the quality control process into four inspection stages. 1. We check all incoming raw materials before usage. 2. We perform inspections during the manufacturing process and all manufacturing data are recorded for future reference. 3. We check the finished product according to the quality standards. 4. Our QC team will randomly check in the warehouse before shipment. industrial solar panels,solar panel battery cost,solar cell system.