Hunan Gaozhi Science and Technology Co. Ltd is a high-tech enterprise integrated with research and development, manufacturing, sales and services, mainly produces video security and surveillance products.  With strong R&D capability and top-notch tech, we have our own intellectual properties and our mission is  to provide creative products and high-quality services, such as IP cameras, NVR kits, DVR kits, AHD kits and smart home products. Â