A good piece of machine is a product of best quality mechanical spares and to serve the industry with first in class Wireless Audio Door Phone we hold a strong reputation based on our successful 9 Years of export history. Shenzhen Northvision Technologies Co., Ltd. Limited Liability Company takes pride in developing mini WIFI camera,Video Door Phone,Digital microscope,GSM Alarm System,Detector in a top notch production facility equipped with technologically advanced processing machines and houses skilled workforce. Situated in the heart of China, Guangdong our corporate venture operates in Shenzhen, under Using an agent. A reliable Wireless Audio Door Phone product line and speedy service catered to our current Brazil,Canada,India,South Korea,United Kingdom, enabling us to grow and reach US$1 Million - US$2.5 Million export ratio, scoring annual revenue around Below US$1 Million. Shenzhen Northvision Technologies Co., Ltd. is recognized among most renowned Exporter and Trader, dealing in Wireless Audio Door Phone that was once introduced back in 2011 with a capital estimating around USD 14925.373134328.