About Us
CR GEMS specializes in developing and manufacturing high-quality superabrasive products, PDC cutters, and large single crystal diamonds. Our core products, such as Diamond grit, Micro diamond powder, Cubic Boron Nitride, PDC cutters/PCD blanks, and Large single crystal diamonds，are widely used in the construction, machinery, photovoltaic, semiconductor, optics, jewelry, oil & gas, and thermal management.
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.
At CR GEMS, we are committed to creating more value for our customers. CR GEMS, diamond solution for a better world.
30+
Over 30 years of Industry Experience
200
Nearly 200 Technicial Patents
1000+
Over 1,000 Certifications & Honors
30+
Popular in Over 30 Global Markets
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The 2025 Shanghai International Carbon Materials Conference & Exhibition is set to open in 2025. From 9th to 11th December, we will be waiting for you at Booth N1039, Shanghai
The 25th China Xiamen International Stone Fair is set to open in 2025. From March 16 to March 19, we will be waiting for you at Booth B2141, Xiamen International
CR Gems: A Leading Enterprise in Superhard MaterialsCR GEMS specializes in the development and manufacturing of high-quality superabrasive products, polycrystalline diamond cutters, large single crystal diamond, etc. Our core products,
