Alishan Oolong Tea - Kim Tuyen Oolong # C27 (150 Gram)Alishan Oolong Green Tea C27 Product of Taiwan. Tea Making Instruction: 1. Warm up the tea vessels with the boiling water and then pour the boiling water into the tea and cover the lid for three minutes before serving. 2. Same amount of tea can be repaired by pouring water into it for 6 to 8 times. 3. Tea vessels are made of clay thus making the tea mode flavour.