Zhengzhou Sino-Crystal Diamond Co., Ltd., established in 2004, specializes in research and development, manufacturing and marketing of synthetic diamond and related products as well facilities. Sino-Crystal owns national authorized labs and the detection capability gets authorization by CNAS; the detection data are widely accepted by 170 nations in the world.
With great support from society and other departments, the company got listed on March 26th 2010; the stock is “Yu Diamond”, stock code is 300064. It firstly issued stocks of 38 millions. By now, the company holds 608 millions in total.

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