COOP SECURITY TECHNOLOGY LIMITED is one of the leading factories which develop and produce CCTV products in China. All the models are produced by machine automatically.It has a Research and Development Center in Taiwan, possessing the most advanced patent for electronic R&D technique, leading us to be among the best in China. Technical support: The full automatic SMT production line and modern equipment, strict checking method, making the super stability of product. SONY CCD chip and ...