Beijing Hengtong Thinking Technology Co., Ltd., The main production security inspection equipment,including,X-ray baggage scanner, Hand Held Metal Detector, Walk Through Metal Detector, with good quality and very competitive price.we are relying on scientific management, has established a strict management system in the entire processes from product sales and after-sales service. Our company sells HTSW series Metal Detectors with elegant exterior design, good product quality and perfect after-sales service. In occupying domestic market, at the same time, "hengtong thinking" brand...