About us

CR GEMS specializes in manufacturing high quality superabrasive products ，polycrystalline diamond cutters and large single crystal diamonds. Our core products, such as diamond grit, micro diamond powder, cubic boron nitride, PDC cutters/PCD cutting tool blanks, large single crystal diamond，diamond slurry, are widely used in the construction, machinery, optics, jewelry and oil & gas industries.

CR GEMS has two sites located in Shanghai and Shandong.  As a National Specialised & Sophisticated Enterprise and High-tech Enterprise, CR GEMS is committed to reliable quality, excellent service, constant innovation to meet diversified demands from the market, and enjoys great reputation both at home and from abroad. 

CR GEMS aims to collaborate with our partners to exploit innovative application of carbon based superabrasives on mechanics, optics, heat and acoustics, etc. We will continuously make effort to create more values for customers, based on a win-win cooperation, and thus to contribute to the healthy development of the whole industrial ecosystem.