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Hebei Suoyi New Material Technology Co., Ltd.
99.5% 0.3-0.5 Um Boron Carbide Powder B4c Grey Black Powder CAS: 12069-32-8
99.5% 0.3-0.5 Um Boron Carbide Powder B4c Grey Black Powder CAS: 12069-32-8
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Sample Price US $ 55
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