Underground Gold Metal Detector -Price: negotiable -Export over 30 countries -Certificate: BV Enterprise FeaturesDefy ... a top Expert Team which is composed of senior talents professional in different fields, such as mining, ore dressing, wear- ... , Spiral Classifier, Thickener, Filter, Drier, Rotary Kiln, Sand Washer, Gold Processing Equipment, Sand Production Line, Metal Processing Equipment, etc.Elva ...