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China Guangdong Hongtuo Instrument Technology Co.,Ltd certification

We use the DH-300 here in Madison and it works well for us. Sample size we use is 3” x 3” which is about the max size. Would be better if one of the other models can use a larger sample size.

—— Tony Warrington

I am really very satisfied. Serious and fast team. Effective after sales service. I recommend this company. Delivery time very fast. Good prices.

—— jean luc di vanno

Producto de calidad. Envío rápido. Volveré a comprar. Gracias

—— jordi sorribas

Merci du suivi de ce colis et d'avoir fait le maximum pour une livraison très rapide comme promis

—— Jean Bourlet

excellent vendeur, réponds très rapidement au mail. reçu en 1 semaine de la chine vers la France.

—— gilbert munoz

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gold purity testing machine

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High Technic Precious Metal Tester / Gold Purity Testing Machine For Lab
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Electronic Gold Tester Machine, Gold Testing Equipment , Gold Purity Testing Machine Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal recycling... Read More

2018-08-30 18:36:02

DH-600K Non Destructive Silver Purity Testing Machine Fast And Accurate
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DahoMeter DH-300K Digital Electronic Gold Karat Meter Testing Machine , Gold Density Tester Principle: In accordance with archimedes principle water buoyancy method, GB/T1423 of precious metals testing standard... Read More

2018-08-30 18:36:02

DH-600K Non Destructive Silver Purity Testing Machine Fast And Accurate
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2019-04-18 17:25:58

Multi Mode Gold Measuring Scale For Gold Purity Testing , Two Years Warranty
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Multi Mode Precious Metal Tester Gold Purity Testing Machine , Gold Purity Testing Scale ,Gold Measuring Scale Principle: According Archimedean principle of buoyancy method Application: Jewelry industry, gold ... Read More

2019-05-28 16:30:34

DH-300K DahoMeter Gold Purity Test Instrument , Gold and Platinum Density Tester Machine
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DH-300K DahoMeter Gold Purity Test Instrument , Gold and Platinum Density Tester Machine Application : for measuring density,specific gravity for gem stones.also can test karat value,purity percentage,weight... Read More

2024-03-09 10:18:08

Gold And Silver Testing Equipment With Buzzer Warning , Digital Display Metal Purity Testing Machine
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300g DahoMeter Digital Portable Gold Content Tester , Electronic Densimeter Gold Karat Testing Machine Application: pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing ... Read More

2018-08-30 18:36:02

3000g Gold Quality Testing Machine / Precious Metal Tester For Purity Test
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3000g Gold Quality Testing Machine , How to Test Gold Content Machine ( CE , FCC Certification ) Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal ... Read More

2020-03-07 17:26:06

320g / 0.01g 0.001% RS232 Gold Density Balance Gold Purity Checking Machine
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320g/0.01g 0.001% RS232 Gold Density Meter /Gold density balance , Gold Purity checking Machine Principle: According Archimedean principle of buoyancy method Application Jewelry industry, gold and precious ... Read More

2019-05-28 16:35:39

AU-300K Gold Test Solution , Gold Quality Testing Machine , Measuring Gold Equipment
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AU-300K Gold Test Solution , Gold Quality Testing Machine , Measuring Gold Equipment Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal recycling... Read More

2018-08-30 18:36:02

DH-2000K Electronic Metal Tester , Portable Gold Testing Machines
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CE,FCC Certification!Warranty for Two Years!!! DH-2000K Electronic Metal Tester,Portable Gold Testing Machines Price Application:pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, ... Read More

2020-08-21 09:44:27

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