Gram Gold Security ScienceTechnology(Guangzhou) Co. Ltd. isa prefessional manufactory of Walk Through Metal Detector, MetalDetector, Explosive Detector , X-ray inspection machine and CellPhone detector.We are a nationally recognized leader in thefield of Chinese security technology. Our typical customers areKonka,Nokia,Ericsson and some Middle East Air Force Base and SouthAmerican countries.Welcome to visit and inquire us. More productsand informations, please visit our website www.anjianmen.com