The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Shenzhen Sanyi 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 switching power supply before they are shipped.
As a robust and powerful firm, Sanyi has been widely known in the open frame power supply
field. Sanyi provides a wide range of din-rail power supply for customers. Sanyi poe switch is manufactured with the help of our talented team of craftsmen. It automatically resets or fuses when a problem occurs. The development of our team can not be achieved without professional customer service. Being anti-jamming, it ensures the long life of the electric appliance.
our company has a clear goal and is the most competitive company in the waterproof led power supply industry. Please contact us!