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China DongGuan HongTuo Instrument 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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precious metal testing equipment

(94)

Digital Electronic Gold Carat Meter , Portable Gold Assaying Equipment , Gold Measuring Machine
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Digital Electronic Gold Carat Meter , Portable Gold Assaying Equipment , Gold Measuring Machine Principle: In accordance with archimedes principle water buoyancy method, GB/T1423 of precious metals testing ...Read More

2018-08-30 18:36:02

DH-900K Electronic Metal Tester Gold Karat Tester High Accuracy
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CE,FCC Certification!Warranty for Two Years!!! DH-900K Electronic Metal Tester With Factory Price In Testing Equipment Application:pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, ...Read More

2020-08-21 10:32:26

600g AC 100V - 240V Gold Silver Testing Machine For Metal Verification
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600g Digital Electronic Precious Metal Purity Balance , Gold Measuring Machine Application: pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals ...Read More

2018-08-30 18:36:02

RS-232 Karat Density Electronic Gold Testing Instrument With Purity Percentage
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Digital Electronic Gold Content Tester , Machine Measuring Gold Content Application : pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals ...Read More

2018-08-30 18:36:02

RS-232 Karat Density Electronic Gold Testing Instrument With Purity Percentage
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2019-04-18 17:24:10

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

2018-08-30 18:36:02

0.001g/Cm3 Gold Purity Analyzer Silver Testing Machine Electronic Digital Gold Tester Tools For Jewelry
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Gold Purity Analyzer Gold and Silver Testing Machine 0.001g/cm3 Electronic Digital Gold Tester Tools for Jewelry Application:pawning house,bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone ...Read More

2019-08-05 15:30:51

Jewelry Testing Scientific Silver Testing Machine European standard AC 100V - 240V
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概述:These series instrument gold tester is the dramatic updating and upgrading products.Compared with other competing products,it has been focused on enhancing weighting resolution,simplified ...Read More

2018-08-30 18:36:02

Muti Mode Auto Jewellery Testing Gold Assaying Machine Mining Industry
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300g Precious Metal Purity Testing Machine and Gold Purity Testing Machine Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal recycling,precious ...Read More

2018-08-30 18:36:02

High Precision Gold Purity Check Testing Machine / Gold Analyse Machine
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高精度金克拉试验机,黄金Content Testing Machine , Gold Analyse Machine Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal ...Read More

2020-03-07 17:29:00

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