WENZHOU HESHENG ELEC CO.,LTD has specialty in manufacturing series of thyristor, diode, power module, bridge relays and pilot lamp and push button and so on since 1992,and has several yearsexperience of international trading. We could manufacture those items according to customersdifferent standards. If needed, I could do O.E.M. pattern. We hold all of necessary certificates of organization and quality, including and ISO9002.Its not only one of the main producton supplier in China,but also have the broad market in America,Europe,Mideast　and Southeast Asia and other country and area all over the world.enjoying high reputation in our cutomers for its reliable quality,favorable price and satisfying after service. we persist in: Todays quality, Tomorrows market Customers satisfactions, our final target You are welcome to establish good cooperation relationship.