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SCIENTIFIC APPLIANCE-----Combine Archimedes principle with micro electronic technique and adopt sensor imported from Germany,the purity can be
DH-600K Hot Sale Gold Purity Tester Jewelry Tools and Equipment Precious Metals Testing Machine Precious Metal Analyzer with 600g
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NEWTRY Digital Electronic Precious Metal Gold Purity Analyser Meter Measuring Machine Tester Testing Machine Density Tester Karat Detector (AU-1200K): : Tools & Home Improvement
◆ Application: pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals researching.etc.In
VTSYIQI Digital Electronic Gold Density Meter Tester Gold Purity Analyser Gold Karat Measuring Device Densimeter Precious Metal Tester with 300g
Gold Tester - Precious Metal Karat Tester
SCIENTIFIC APPLIANCE-----Combine Archimedes principle with micro electronic technique and adopt sensor imported from Germany,the purity can be
DH-600K Hot Sale Gold Purity Tester Jewelry Tools and Equipment Precious Metals Testing Machine Precious Metal Analyzer with 600g
NEWTRY Digital Electronic Precious Metal Tester Gold Purity Analyser Karat Detector Meter Measuring Machine Testing Machine Density Tester Densimeter ( DH-300K): : Tools & Home Improvement
