1. HACCP, ISO, FDA and QS 2. supply OEM service 3. very popular tea in the world 4. good for your health Gynostemma tea.Seven-Leaf Ginseng is also known for its scientific name Gynostemma Pentaphyllum. Modern scientific study has proven that it contains 80-odd kinds of saponins, 17 kinds of amino acid, vitamin B1, B2, C, E, polysaccharide, flavone and trace elements. All those components are good ...