MDJ-600K Gold purity Tester's video
2985 plays · 2017-06-30
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Product description
XIONGFA MDJ-600K water specific gravity gold meter is a QB/T2855-2007 standard hanging water method gold purity Tester, measurement Density accuracy is 0.001g/cm3, MDJ-600K water specific gravity gold meter supports one-click automatic clearing function.