ShenZhen Well-Dam Technology Co., Ltd. was founded in 2012, is a professional metal detector manufacturer and dedicated to the development, production, sales and service of security products. Our products main include UVIS(under vehicle inspection system), Metal detector, Walk through metal detector,Ground search metal detector, Visual and Vedio Life Detector. Widely used in such places: Government agencies, courts, prisons, airports, wharf, customhouse, exhibition halls, other workplace safety ...