Among those kinds is Chojong mineral water from Chojong-ri, Unchon County, South Hwanghae Province.

It is the country's one and only mineral water without iron ingredient, which was designated as one of the nation's natural monuments and a specialty of Korea.

This mineral water has been well known as a health drink since about 1580, according to a historical document.

It contains tens of kinds of mineral matters and microelements in natural state and has various tastes such as hot, sweet, fresh and cold.

The water helps clean cellular tissues of human body and absorb mineral matters and microelements as much as possible.

It is also efficacious for reducing the viscosity of blood and preventing hemoconcentration and thrombus.