We Use XRF Assay Technology to Determine the Exact Amount of Precious Metal Content in all the Items we Sell or Buy. We are one of the few Retailers/Wholesalers in the Country who have a large Scale XRF Machine on Premises for Analyzing all Precious Metals. We can Pay on the Exact Percent of your Items so we can Pay More! For more Info Click on the XRF Page Link. We Gladly Accept Visa and Mastercard. *Unlike our Competitions We Do Not Charge an Upcharge to Use Credit Cards and all Prices are As Displayed. EPTex Precious Metals and Diamond Exchange is a first class Wholesaler and Reseller of all Fine Precious Metals including Gold, Silver, Platinum, and Paladium. We Sell and Purchase all varieties of Bullion and we work with First Class Refineries to Offer you our customers the best Rates in the Industry.