Gold Purity Tester Machine For Jewelry Industry Bank Pawn Metal Research Lab
USD 396.00 USD
Specifications
| Country Of Origin | China |
| Brand | Unbranded |
| Model | MDJ-300K |
(Copper), gold purity%(including gold-copper-silver, gold-silver, gold-copper). ● No stains and scratches left on gold after testing, it doesn't need to use the sulfuric acid solution to test the standard samples.
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