Taken from terrane of 200 meters underground, 'Grin' mineral water is purely natural and free from pollution. The content of its ingredients Meta-Silicic acid, Strontium, Selenium have all reached national standard of GB8537-1995. And it is also rich in lithium, zinc, molybdenum more than ten types of microelement, which are beneficial to human health. From the year 2003 to 2006, the content of different elements is steady in water quality. Recognized by experts, the product has the functions of against the cancer and senile, promoting growth intelligence, enhancing the memory, and it has been appointed by Chinese Children Water Engineering (CCWE).