CR GEMS specializes in producing high quality superabrasives and polycrystalline diamond compacts. Our core products, such as diamond grit, micro diamond powder, PCD/PDC, large single crystal diamond, etc., are widely used in the industry of construction, machinery, photovoltaic, semiconductor, optics, jewelry, aerospace, oil & gas,etc. CR GEMS has two locations in Shanghai and Shandong. We are committed to reliable quality, excellent service, constant innovation to meet diversified demands from the market. After years of development ,CR GEMS enjoys great reputation both at home and abroad.
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