Zhengzhou Sino Crystal Superhard Materials Sales Co., Ltd. concentrate on cutting tools and wear parts, dressing, Wire-drawing, the rough stone of White and yellow Diamonds and polished diamonds.
In 2013, Sino Crystal successfully achieved a large-scale production of large single crystal diamond in industrial grade. In 2014, our corporation had a mass production of single crystal synthetic diamond in gem grade, and caused a sensation in the field of diamond cutting tools and jewelry rapidly.
We have the professional R&D team and gem -quality diamond test center. The results of tests from our test center can be recognized by more than 170 countries and regions in the word.
