Founded in 2006, Shenzhen Techwin Lightning Technologies Co.,Ltd is a professional and high-tech enterprise engaged in OEM & ODM of surge protection devices, we provide surge protection solutions for telecommunications, electrical power, CCTV, PV solar and wind power, petrochemical engineering, smart transportation, and other industries. 15 years of lightning protection experience and technology have made us a leader in the industry in China. Our company has passed ISO9001, ISO14000, OHSAS45001 certifications, not only has its own laboratory and R&D team, but also our products have obtained 28 technologies Patent and CE, ROHS, TUV, UL international certificates, The test reports issued by third-party authorities also can be provided.