Changsha Vigorous-tech Co., Ltd. is a manufacturer and distributor of Botanical Extracts, located in Changsha, Hunan. We are a biological high-tech enterprise with independent Import & Export rights. The main products we can provide include four series and over 200 varieties, such as Tea Extracts, Herbal Extracts, Rare Mushroom Extracts as well as Fruit and Vegetable Extracts. As specifications for botanical extracts become more demanding, we have been in the forefront of the line by ...