1917 Started off as a cotton-milling business at Ojima, Koto Ward, Tokyo

During the early years of establishment, our main business was manufacture of interior cotton wool for automobile seats.

1923 Workshop completely burnt down due to Great Kanto Earthquake

1924 Rebuilt the workshop at our current location in Toyo-cho, Eto Ward, Tokyo

1945 Workshop complete burnt down due to World War II, but rebuilt in the following year

1962 Incorporated as Mori Seimenjo Corporation Ltd.

1963 Implemented duplex side cotton milling machine (An old machine that refines raw cotton to produce cotton wool)

1966 Implemented metallic card-cotton wool production (Newer machine that refines raw cotton to produce cotton wool)