The world's most expensive brand of mineral water is called"Rokko no Mizu", comes from Japan and costs €124 a liter. The Gerolsteiner company, based in the Eifel region, wants to get in on the action. Its brand has already been on the market in Japan since 2006. Gerolsteiner wants to take on the Japanese beverage market by entering into a strategic partnership wth a Japanese brewery.
