Shenzhen Techwin Lighting Technologies Co., Ltd is a non-affiliated enterprise focusing on R&D, production, sales, design, and construction. Our company is specialized in researching and producing all kinds of lightning protection products such as power surge protector series, intelligent lightning protection system, intelligent surge protector series, intelligent lightning protection box series, signal lightning protection device series, and SPD backup protection switch series, professionally design. Techwin provides a full range of pre-sale, sale, and after-sale service systems to our customers with the best technology and the shortest R&D cycling and constructing of lightning protection engineering of all kinds of industry.