... ISO, QS Shelf Life: 18 months Place of Origin: Xuancheng China (Mainland) Packaging & Delivery Packaging Detail:aliminium tin foil bags, paper boxes ... all varieties of Chinese tea and Taiwan tea, including green, white, yellow, Oolong, red, black, floral, bitter, handcrafted, herbs and ... If tea leaves are added to the daily diet of white laboratory rats, their cancer cells are remarkably reduced or ...