The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Zhongshan ALLTOP Lighting 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 solar street light information before they are shipped.

In ALLTOP, solar street light is fully produced in accordance with international standards. ALLTOP's solar street lamp series are created based on unremitting efforts. Thanks to the low cost of raw materials and the high efficiency of streamlined production, led street products have the advantage of high gross profit margin. Easy installation is the feature of the product. solar traffic light is one of the most promising new developments of solar powered traffic lights field , due to solar powered traffic lights. The lighting kits of the product are completely wireless and easy to be mounted.

We adhere to the business philosophy of quality and innovation for our branded . Ask online!