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.