Electronic Gold Tester Machine, Gold Purity Analyser Meter, Gold K Value Tester, 0.001G/Cm³ Accuracy Gold And Silver Tester, Precious Metal Analyzer With LCD Display 1200K(1200K)
Electronic Gold Tester | Precious Metal Authenticity Tester,Non-Destructive Testing,Precious Metal Tester,Suitable For The Jewelry Industry,Pawn Shops XF-2203K