Manna is one of the three largest cold springs in the world between China and Russia. With French Vichy mineral water and Russia North Caucasus mineral water. It is a rare sources of water that the world aspires to. From the purest corner of the earth, it is also the only volcanic mineral water with the most trace element of soda.Water is rich in many rare minerals(K+,Mg+,Ca2+,,,etc), PH is 8.4(±0.5）.