The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by NANJING KSUNSOLAR TECHNOLOGY CO., LTD.. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of cheap monocrystalline solar panels before they are shipped.

Regarded as a dependable manufacturer and supplier, Nanjing KSUN Solar Technology Co., Ltd. has become the preferred choice of designing and manufacturing solar panel manufacturers. We will show you the flexible solar panel series that is most popular with customers. Our flexible solar panel has edges in simple structure, flexible panels, easy maintenance and high efficiency. Without consideration of the KSUN Solar Products staff, solar street lights can not be produced to be so excellent.

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