High Precision Digital Electronic Gold Densimeter/Precious Metal Purity  Tester - China Laboratory Instrument, Precious Metal Purity Tester

High Precision Digital Electronic Gold Densimeter/Precious Metal Purity Tester - China Laboratory Instrument, Precious Metal Purity Tester

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Huanyu AU-1200K Gold Purity Tester Gold Density Tester Densimeter

◆ Application:pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals researching.etc.In

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