Our company, Hunan Kinglong Bio-resource Co., Ltd. , is one of the biggest manufacturer of botanical extracts in China. The main products we develop and produce include four series and more than 500 varieties such as Tea Extracts (mainly for green tea polyphenols/catechins), Herbal Extracts, Rare Mushroom Extracts as well as Fruit and Vegetable Extracts. We can supply all sorts of  standardized herbal extracts.