Gannadi Cold Brew Tea - Douliu Branch. Tea is made with Taiwanese high mountain tea leaves using cold brew method, with unique patented water purification equipment, and a variety of signature cold brew teas and rich milk teas to choose from. Tea is made with Taiwanese high mountain tea leaves using cold brew method, with unique patented water purification equipment, and a variety of signature cold brew teas and rich milk teas to choose from. Welcome to make advance reservations for major events, and discuss discounts for companies and major organizations. Military, police, firefighters, and medical personnel receive discounts upon showing ID. Further discounts are available for in-store or phone orders. (For large orders, please call 1-3 days in advance to reserve.) Address: 雲林縣斗六市雲林縣斗六市仁義路38號 Hours: 00:00–23:59 Yunlin