Changsha Active Ingredients Group, Inc.(AIGI) is one of the leading manufacturer and exporter of the tea & herbal extracts in China. AIGI having certified ISO9000:2000,Kosher,cGMP.and have been manufacturing of exporting such products as Green Tea Extracts and Natural Botanical Extracts Series. Our major standardized products are Giant Knotweed P.E. 10-99% Resveratrol , Red clover P.E.,Tea extracts(Polyphenols/EGCG/Theaflavins/Catechins ), Echinacea Purpurea P.E., Magnolia Bark P.E., Bilberry P.E.15%, 25% Anthocyanidin,Blueberry juice, Blueberry P.E.(20:01,10:01,15%,25%,45%), Luo Han Guo P.E. Mogrosides(12:1,20%,30%,50%,80%), forskolin, Flaxseed Lignans, Suberect Spatholobus Extract, Baicalin 95%, and so on. We can supply about 240 kinds of Standardized Herbal Extracts and more 900 kinds of Botanical Extracts.