Stones contain platinum, cobalt, copper, nickel and others to control the occurrence and action of the carcinogenic substances.

Daily use of such vessels makes it possible to effectively prevent various diseases.

Food prepared with such vessel preserves its original taste, smell and color. It also prevents the major nutritive substances and microelements from being spoiled.

It increases the activity of glutamic acid, various kinds of high protein and ferment of foodstuffs to stimulate appetite.

Having high heat-preserving capacity, it keeps the boiling temperature for 30 minutes and more after turning off the gas. The food processed in the vessel does not go bad easily.

The medicinal herbs and aromatic food cooked with it preserve their effective elements for a long time.

The food processed with medicinal stone vessel is also good for the treatment of digestive troubles.

They are popular not only among the people of the DPRK but also among foreigners and overseas Koreans visiting the hall.