Ajax Technology - Gold and Metal Detection You may find in markets many metal detectors in different shapes, brands and technologies, but most of them do not have high quality, efficiency, ease of use, accurate results or may users may face difficulty in carrying and navigate as well, therefore search and prospecting is useless. Based on the above, AJAX detection technology has manufactured a set of metal, gold detectors and groundwater detectors based on scientific, technical and experienced engineering team with high expertise and competencies represented by the following departments.