山东昌润钻石股份有限公司 HOME English Korea
CR GEMS Diamond Co., Ltd. is a professional company specializing in research, production and marketing of superabrasives and the related products. With its strength in company scale and products competitiveness, CR GEMS Diamond is the most reliable s
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Email : cr_gems@163.com
Tel: (0086)-635-21114778
Address:NO.45 WeiYu North Road,LiaoCheng City,ShanDong Province,China
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Diamond is the hardest material in the world. It has brilliant wear resistance, thermal conductivity and stability, as well as stable chemical properties
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昌润投资控股集团有限公司 上海昌润极锐超硬材料