Guangzhou AEVISION of Electron Science and Technology Co., Ltd was established in 2003 in China. Guangzhou Aevision Of Electron Science And Tech... is a specialized in the development, manufacture and sales of 4ch/8ch/16ch standalone DVRs and CCTV cameras with excellent quality and competitive prices in Guangzhou, ***** team consists of extensive professional work experience. Our products have been far sold to many foreign countries and have won good reputations from our costomers.