Shaanxi NHK Technology Co.,Ltd. is one of the leading supplier and manufacturer of herb plant extract,such as rhodiola extract salidroside rosavin,Beta Carotene,Apigenin,diosmin hesperidin,Hesperetin,luteolin,Neohesperidin Dihydrochalcone,quercetin,soy isoflavone,Buckwheat Extract,genistein with healthy benefits and uses as supplements,organic green tea powder,with professional factory we can offer high quality and best price natural pure products.


http://www.gmp-factory.com/herbal-medicine/antiviral-/citrus-bioflavonoid.html