In 1926, the Japanese brought in pure, large-leaved Assam tea from India, and dispatched tea specialists to inspect the Taiwanese geography, soil, and climate, finally deciding to cultivate the tea in Nantou County's Yuchih, Puli, and Shuili townships.
1926 年，日人自印度引進純種大葉種阿薩姆茶種，並派來茶葉專家，考察台灣各地的地理環境、土壤、氣候，最後選在南投縣魚池、埔里、水里試種、推廣。