3 Sour Plum Juice/ Cocoa MilkGood materials are always essential to make delicacies. The owner has sold the juice for 30 years. The traditional Sour Plum Juice is made of dark plums, Hsian Tsa, petals of osmanthus, and castor sugar. It’s so refreshing and thirst-quenching. The imported cocoa powder plus milk and castor sugar will make the fragrant cocoa milk whatever it is cold and hot.