O.K. Cold Tea (O.K. Tea Technology Co., Ltd.). Located in the Bagua Mountains, [O.K. Tea Technology Co., Ltd.] combines traditional tea leaves with modern technology in its tea-making process, aiming to provide consumers with the 'purest' tea. Located in the Bagua Mountains, [O.K. Tea Technology Co., Ltd.] combines traditional tea leaves with modern technology in its tea-making process, aiming to provide consumers with the 'purest' tea. *Reduced tannin release, avoiding bitterness and astringency, enhancing sweetness: In cold water, the sweet amino acid molecules in tea leaves dissolve more easily, while tannins and caffeine, the sources of bitterness and astringency, are less likely to be released. *Lowered caffeine content in tea, reducing stomach burden: For those who experience stomach discomfort from drinking tea, cold brew tea can prevent this. The reduced caffeine content can also improve sleep issues caused by tea consumption. Address: 彰化縣彰化市彰化縣彰化市福山里西南莊47號 Hours: 00:00–23:59 Changhua