A more comfortable lifestyle by cleaning the air! The Assist Riken Co.,Ltd was established in the year 2000, and is located in Sapporo-city, Hokkaido. The patented S.O.D LIQUID (Sick House Solution) , (A gentle on your body, anti-oxidative environment) manufacturing method has spread all over Japan. We are also putting the anti-oxidative power of S.O.D LIQUID to practical use by developing, manufacturing, and selling many different kinds of products. 100% All-Natural Air Quality ...