About Our CompanyWe, Dongguan Hongtuo Instrument Co., Ltd, a China based company, are pleased to introduce ourselves as a notable testing equipments and machines Manufacturer, Trader, Wholesaler, Distributor, Supplier and Exporter. Our company was established in the year 2000 with two primarily motto, which includes complete client satisfaction and to reach top-most position in the international market. The exceptional quality of our products like Electronic Gold Tester, Gold Purity Testing Machine, Density Meter, Densitometer, Densimeter, Tap Density Tester, Tensile Testing Machine, Climatic Chamber, Abrasion Testing Machine, Melt Flow Index Tester and other Laboratory Testing Equipmen