All teas come from the plantations of the Otsuka Family (A1: company name Otsuka Seicha K.K.) in Kakegawa, Shizuoka, the Sugimoto Family (A2: company name Shohokuen) in Uji, Kyoto and Ureshino Teamaster Aikawa (A3) in Ureshino on the island Kyushu. The tea traditions have been passed down from father to son during many generations. They are very proud of their products and do anything to keep the high standards.