Shenzhen General Systems Co., Ltd is the global leading manufacturer of X-ray security screening systems, explosives and narcotics detection, under vehicle surveillance systems, automatic bollards, road blockers, tire killers, turnstiles, full height turnstiles, walk-through metal detectors, hand-held metal detectors, barrier gates, toll barriers, parking guidance systems, parking management systems, etc. with over 23 years experiences and we supply high quality security products to worldwide.