C. T. S was established in 2001 and is located in ShenZhen, GongDong, China, and specializes in quality metal detection equipment. We are manufacture for the complete line of Security metal detection equipment, we also supply all types communication security products Cell phone Jammer, GPS Jammer

For security, surveillance, spy & privacy, C. T. S offers both the discreet pocket cell phone jammer or the high powered versions, video camera\blue tooth jammers, detectors and car remote duplicators. Our cell phone blockers and detectors are currently used in many schools, prisons and by bomb squads all over the world.