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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

AU-2000K Balance Scale For Gold Purity Testing , Density Device to Test the Purity of Gold, Silver and Other Metal
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AU-2000K Balance Scale For Gold Purity Testing , Density Device to Test the Purity of Gold, Silver and Other Metal Application: pawnbroking,jewelry industry,banking industry,jewelry testing center,mining ... Read More

2018-08-30 18:36:02

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