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Hefei TNJ Chemical Industry Co., Ltd.Galla Chinensis Extract/Gallnut Extract Powder Tannic Acid
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Zhengzhou Genuineture Biotech Co., LtdHigh Quality CAS 1401-55-4 Industrial Grade Gallnut Extract Powder 80% Tannic Acid
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Hebei Tianao Technology Co., Ltd.High Purity 99.5% Benzoyl Chloride Is Used in Pharmaceutical Intermediates CAS 98-88-4
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