Changsha Huir Biological-tech Co., Ltd has been dedicated to the R&D of herbal and nutraceutical ingredients since 1997. for the past 10years, We strictly control the quality from raw material to finished product, and now we have become the leading and professional plant/herbal extract manufacturer in China.

Main products are: Resveratrol, Red Clover extract, Galanthamine Hydrobromide, Limonin, Milk Thistle extract, Lycopene, Grape seed extract, Ginseng extract, Horse chestnut extract, Angelica extract, Echinacea extract, Epimedium extract,, Ginkgo Biloba extract, etc.