In Japan, deep-seawater is well known as a healthy food and drink substance. There are three main quality characteristics to deep-seawater: Its purity, mineral and nutrient rich eutrophy and stability at low temperatures. Ako Kasei Co., Ltd. leads the deep-seawater field as a top shareholder and producer of various kinds of drinking water in addition to related products such as Nigari, soy milk and specialty health beverages.