As a Chinese leading VoIP and IP surveillance products factory Zhengzhou Great Electronic Tech Co., Ltd is a high-tech enterprise engaged in researching ,developing, manufacturing and marketing IP Camera , DVS ,NVR ,IP Phone . Our headquater with an area of 2000 square meters is located in Zhengzhou, Henan, China and is equipped with SMT facilities such as chip placers,reflow soldering machines,DIP,ASSEMBLY TESTING. There are over 290 staffs and a strong R&D team including 46 rich ...