The Unjong Tea Drink Factory, located in a suburb of Pyongyang, produces bottled teas in an industrial way for the people to drink them anytime and anywhere. Unjong tea is effective in preventing arteriosclerosis and hypertension, making the activity of the heart flexible and retarding aging. The factory produces green tea, black tea, Cholgwanum tea and other beverages, which are popular among consumers for their rich nutrients and peculiar taste, aroma and colour. In recent years, it has developed scores of kinds of tea beverages such as pear Cholgwanum tea, lemon black tea, apple green tea and milk black tea.