Beijing DMD Optical Instrument Co., Ltd., located in the capital of China, is a professional company which develops, designs， manufactures, assembles and sells all kinds of refractometers, mainly including portable refractometer, digital refractometer, and so on. Our Products are not only facing to domestic market, but also to overseas market, especially Europe, Asia and America. Through several years of manufacturing and exporting refractometers to many countries， we have earned good reputation in this line and our foreign customers is increasing fast. We insist on designing and manufacturing new type of refractometers to meet the satisfaction of our customers.
We sincerely welcome the friends from all over the world to use our products and give us more useful suggestions.
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