Shenzhen Wintech Lightening Technologies Co. Ltd (named as Wintech) focuses on R&D, production and sales of surge protection device (SPD). Our AC/DC power SPD series and data-line SPD series take a lead position in China which have been widely used in fields of power system, transportation, telecommunications, finance and safety control, etc. All of our products have passed strict test and inspection by Quality Inspection Centre of Information Industry Ministry of China, which proved to be excellence and conform to relative telecommunications standards. Our laboratory is also able to provide services of SPD test for our customers. We take strict control on our SPD during the periods R&D, manufacturing, quality inspection, which guarantee high reliability of our products. Meanwhile, we deeply explore various demands in the domestic and overseas r lightening protection market so as to develop kinds of SPD for customers in different countries. We also provide OEM or ODM services according to customerâ??s specific requirement. Our products have been used in countries, such as Brazil, Russia, Argentina, Israel, the Middle East, Southern Asia, Africa, which have gained customer satisfaction and acknowledgement worldwide. Wintech highly values on integrity, qualityï¼?efficiency and service, and serve customers with better quality, faster response and superior after-sale service. Our products: Surge protection devices; AC/DC Lightening protection box series; Signal lightening protector; Combination SPD, (AC/DC, Signal combination) Lightening protective sockets; Antenna feeder lightening protection series.