We have been working with surge protective devices form more than ten years,enjoying excellen treputation in china,we are one of the pioneering  companies in surge protection field in china.We have a professional teamled by a French expert with extensive experiences in surge protection.Our surge protectiv devices include power supply series &IT networkseries,we have adopted equal potential technology from western Europe.This technology has widely been used in the finance & banking , telecommunication, computer, cellsite, railway, airport,and many more.