zhengzhou sino crystal superhard materials sales Co.ltd
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Zhengzhou Henan China
501 - 1000 People
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania
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Large sizes single crystal plate synthetic diamond use in industrial cutting tools/dressing tools and so on
hpht synthetic diamond/lab created diamond/uncut synthetic diamond rough per carat
1.0mm-5.0mm Large size cvd diamond rough/rough diamonds uncut/cvd diamond for sale
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