Shenzhen Techwin Lightning Technologies Co., Ltd, is a high-tech enterprise engaged professionally in research, development of modern surge & lightning protection technology . We are comprehensive anti-lightning enterprise with manufacturing lightning protection products & experiment devices, lightning inspection products, lightning protection engineering design and construction. Our R&D department is run by a group of country&＃039;s most leading experts in the field with rich-experience in lightning protection theory & practical experience, specialize in researching, designing & production of various lightning protecting products(include lightning experiment device & lightning inspection equipment), aimed at testing and solving problem in practical application. TECHWIN manufactures a complete line of surge protector for power, signal, coaxial and lightning inspection series, making professional lightning protection laboratory. Our products are widely applied in telecom, electric power, finance, railway, traffic, petroleum & chemical, meteorology etc. Under mission "quality first, customer supreme", our products are fully manufactured and inspected according to international & domestic standards and under mostly strict quality standards on ISO9001. Key word: cctv, video, camera cat5, cat6, 100/1000mpbs, switch, ethernet rf, qws, quarter wave stub, filter, gas tube, cell, gps, antenna tvss, spd, arrestor, arrester, surge, second surge protection, surge protective device, surge suppression solution Power surge protectors Surge arrestors Lighting Arrester