Aost Electronic Tech Co. Ltd. has been a leading manufacturer of advanced CCTV security and safety products in China. Currently, our main products include POE Switch POE Extender ,HD Video Baluns and Power supply ,CCTV cable CCTV Tester, Smart Socket Smart bulb .,brFor the past few years> our factories engineers and R,D teams have been involved in the extensive development design and manufacture of the latest technology for CCTV and other surveillance equipment. Our teams constantly keep updating our products and technology to make sure that our products are always leading the market. In addition, we offer more products systems, and technical supports to OEM and ODM customers. We have obtained ISO9001 CE, and FCC certifications.br< br