Aivico Electronic Limited is one of the leading CCTV cameras,DVRs’ and NVR&＃39;s manufacturers with competitive technology and considerable scale in China. Entitled to many international certifications such as CE, FCC, RoHS, our products are sold to more than 2,000 business partners from over 150 countries with high reputation. TOP-HD is a leading brand on CCTV Cameras belong to Aivico.Oriented to the market requirements and the purpose of win-win cooperation, TOP-HD is continuously devoted to enhancing brand credit and reputation,developing overseas customers ,as well as seeking market expansion and promotion,and sharing better and stronger together.