Water is the necessity of our daily life, it's so important for us that we need clean, safe and sanitary water every day, and usually there's a more strict inspection standard in the more advanced country.
Mineral water comes from natural springs. It contains a lot of various kinds of chemical goods such as potassium, magnesium and calcium, which are healthy to our body. After the water is filtered and sterilized properly, it's our first choice to use it. However, the shortcoming is that the source of mineral water is limited.