skyray instrument is world famous as analytic instrument and Laboratory testing equipments manufactory in china, especially skyray's XRF instruments are very popular in the applicaitons as Gold testing, mineral ores testing, PMI testing, metal alloys testing, Stainless steels testing, fuel testing. XRF instrument is very widely used and welcome by end users in the world since the features of fast, non destructive and accurate. skyray 's XRF with wide applications and with high&stable quality, reasonable price, which acceptable by our Africa and Mid east customers,