Difference between green and yellow diamond powders
Features of diamond crushed powder: Incomplete crystal, irregular crystal shape, rough surface, sharp and wear-resistant.
1. When ...
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Over 120 superhard material companies took part in the 22nd Xiamen Stone Fair on 30th July 2022
the global professional stone exhibition, the 22nd China Xiamen International Stone Exhibition (referred to as "Xiamen Stone Exhibition") ...
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