Orthodox Black Tea (Orthodox Black Tea) is a type of black tea that originates from a traditional processing process called the “Orthodox Method”. This classic processing method produces dark brown tea petals, the brew is red-brown, bright, with yellow edges, viscous, and has a mild astringent taste. OP (Orange Pekoe) black tea is of the highest quality, taken from the shrimp part, leaf tip 1, black curly appearance, relatively uniform size, snowy, and has a characteristic aroma.