GRAMG GOLD INT&＃039;L SECURITY ORGANIZATION HOLDING GROUP LIMITED is one of the enterprises of Gram Gold China, the company owns the most advanced detection technology and safety technology in the world, is the collection of R&D, production, sales as the well-known company in the area of Walk Through Metal Detector, Metal Detectors, X-ray Metal Detector. The company was established in 2005 with two large-scale production base.