Maihime Co., Ltd. in Suwa City, Nagano Prefecture, produces Suiro using clear underground water originating from the Kirigamine Plateau, following the brewery's guiding principle of harmony among the five tastes. The Suiro line is positioned as the brewery's premium specialty-shop series, with aromas described as rivaling fine wine. Offerings range from junmai ginjo made with local Miyama Nishiki to junmai daiginjo varieties in unfiltered raw styles.
