N/a manufacturer / supplier in China, offering Food Grade Natural Galla Chinensis Extract Tannin CAS 1401-55-4 Tannic Acid, Pure Natural Food Grade Tannin Extract Powder Gallnut Extract 90%, High Purity 99% Sodium Bicarbonate Powder (NaHCO3) Baking Soda CAS 144-55-8 Feed Additive and so on.