Changsha Nutrahealth Bio-Tech Co., Ltd. is a high-tech enterprise in Hunan province, China. It is an integrated company of manufacture, R&D, import and export. The company is engaged in the high quality tea and organic tea products, and also botanical extracts, medicinal raw materials, medicinal intermediates, health products and natural botanical resources. Our company is in the aim to depend on abundant and excellent natural resources in China to do all for dedicated to the researching, development and production of Chinese plant and herb for Human beings health. As the guide of experienced technicians in this field, we have developed many valuable products recognized by our customer at home and abroad. The quality is our life, so it is always put in the first place, no matter in the selection of raw materials, research and manufacture of products, or packing of the finished products. It is our eternal pursuit that we can endlessly supply high quality products to our customers. Now our tea products such as green tea, black tea, Oolong tea, Puer tea and Organic teas, fruit and flower tea and herbal tea, and also plant standardized extracts as Green tea extract 80% cathchin/60% EGCG, Luo Hanguo extract 80% mogrosides, kudzu extract, Soybean extract 40% Isoflavone, Paeonia Laactiflora extract 40% total paeoniflorin, Empimedium Sagittaum extract 10% Lcarin, Ginseng root extract 80% ginsenosides, Gingko biloba 24%6% and effective component monomer as 95% EGCG, 5-HTP, Synephrine 99%, Huperzine A 96% and so on are well sold to the worldwide.