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 insists on combining manufacturing, research and development together to innovate and finally acquires the core technology of synthetic diamond, related facilities and auxiliary materials, and gets independent intellectual property.

Zhengzhou Sino-Crystal Diamond Co., Ltd. mainly specializes in research, production and marketing of synthetic diamond. In recent years, Sino-Crystal has built a comprehensive marketing system with Zhengzhou City as the marketing centre and covered most cities in China. To come out of China and enter the world, Sino-Crystal also set the foreign trade company with independent import & export rights. By now, Sino-Crystal’s products have been best seller in most nations in the world.