Shenzhen Spyonway Electronics Inc. set up in 2004, is a professional manufacturer specialized in security series products. Spyonway is a member of China Security Industry Association. Since the establishment of the company, Spyonway has been devoted to manufacturing security and protection products, such as hand held metal detectors, ground search metal detectors, security doors and metal detectors, commodity supermarket security antennae, underwater detectors and so on. Spyonway cooperates ...