Eiko Shuzo Co., Ltd. is a sake brewery based in Ehime Prefecture, Japan. With a history of over 120 years, the brewery is renowned for its award-winning sake, including traditional junmai daiginjo and unique local specialties like plum and citrus liqueurs. Eiko Shuzo emphasizes sustainable brewing practices using high-quality local ingredients such as rice and pure water from the Takanawa mountains. The brewery also offers guided tours and operates a direct sales shop where visitors can taste and purchase their products.