Shenzhen Sectuek Video Technology Co., Ltd. (http://www. secutek.cn) Established in 2005, Located at Shenzhen, China, We are among the leading players in China focusing on Closed Circuit Television Systems. Has developed into a leading manufacturer of CCTV products and in China. For the passed 3 years, in according to the core management concept of "Grasp the Technology Trends Swiftly, Satisfy Customers" Needs Completely", Witchol Technology has been continuously innovating and pursuing high-quality products, and has realized a super-conventional development in the heated and competitive marketing environment. . Depending on the powerful R& D team and manufacture capacity, our ISO-9001 and ISO-14001 certified factory has been independently developing a series of products used in security field, Which include Stand-alone DVR, Mobile DVR System, Professional CCTV CCD Cameras, Wireless Security System, Digital Video Multiplexers, etc. .