Zhengzhou Sino-Crystal Diamond Co., Ltd., established in 2004, specializes in research and development.It was listed on gem of shenzhen stock exchange on March 26, 2010. The stock name is "yudiamond" for short, and the stock code is "300064".It is a national high-tech enterprise integrating professional research, production and sales of super hard material and its products industry chain. It is the backbone enterprise of henan super hard material industry base.

As a pioneer in the cultivation of diamonds in Chinese laboratories, we rely on the cultivation of excellent diamondsGood attributes, with technology, capital and scale advantages for jewelry consumption into the fieldFresh blood, leading the new trend of diversified diamond fashion lifestyle.