This is Shenzhen Tungson Ages Tech. Co., Ltd. We research, manufacture and sell surveillance products such as DVR cards, stand alone DVR, CCTV cameras etc. We also have good cooperation with camera manufacturers from South Korea. Headquartered in Shenzhen, we have one factory in Dongguan producing DVR cards and digital products, and another in downtown Shenzhen assembling cameras. Our office in Shenzhen has around 80 employees who are providing services such as research and develop, marketing, after-sale support, technical support and so on. We are able to provide cheap prices for good quality products.