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News and information

Types of CVD reaction furnace

The types of CVD reaction furnace are as follows: 1, hot wire Hot Filament2, DC arc jet DC Arc Jet3, microwave plasma Microwave Plasma

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2019

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DPA recommends natural and synthetic diamond testing instruments

An association of eight diamond mining companies around the world collected more than 40 kinds of synthetic and natural diamond testing instruments from around the world in the summer of 2018 and sent them to UL Laboratory in the United States for functional testing and scoring. On March 6, 2019, the DPA website published the result data of 11 kinds of testing instruments and disclosed the sales price for diamond manufacturers around the world to select and purchase.

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2019

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Introduction to the function of the company's newly developed detector DD9

It combines DD3 and DD5 and the newly added polarization test, so it is a three-in-one portable detector.

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2019

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Cultivating the present and future of diamonds

In recent years, the diamond market of cultivated diamonds in the world has become more and more prosperous, especially in the United States, which is the most mature, and Eurasia and other regions have gradually followed up.

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2021

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The Price of Cultivated Diamonds

Everyone has an expectation that the price of cultivated diamonds will become cheaper and cheaper in the future, which will affect the expected psychology of the industry and consumers, and have an adverse impact on the sales market of cultivated diamonds.

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2021

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The first phase of a technological breakthrough in diamond cultivation by CVD growth has been successful

The successful definition of the first stage of CVD growth cultivation of diamonds is the simultaneous growth of: 1, positive white color, using a 2-inch tray reactor. 2,SI1 above the clarity. 3, grow the largest number of diamonds. 4, each seed crystal can be expanded in the growth of 1~2mm diameter.

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2021

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