NIPPON ROLL Nippon Roll MFG.CO.,Ltd.

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A Legacy of 130 Years

Pre-war to
Post-war Era

The aerial photograph shows the wooden factory that was completed one year before it was destroyed by a typhoon in 1937. By 1945, the fifth factory was completed. Only the central part of the third factory was made of steel to prevent fire spread.

1888〜1943

  • Pre-war Tandem Mixing RollPre-war Tandem Mixing Roll

    1888

    Established Aoki Iron Works in Honjo Matsuzaka Town.

  • 1918

    Moved to Honjo Kinshicho with business expansion, starting manufacturing of roll machinery.

  • 1920

    Changed from personal management to a partnership company.

  • 1923

    Moved to Oshima Town 3-28, Koto Ward, with business expansion.

  • Roll Machining Scene Before the WarRoll Machining Scene Before the War

    1933 April

    Changed to a joint-stock company, named Aoki Roll Manufacturing Plant, with a paid-in capital of 500,000 yen.

  • 1939 October

    Edogawa Factory completed at 3000 Kasai 2, Edogawa Ward, Tokyo.

  • 1940 February

    Acquired Komatsugawa Steel Works, began manufacturing cast steel.

  • 1942 September

    Merged and absorbed subsidiary companies, increasing paid-in capital to 4.5 million yen.

  • 1943 April

    Changed company name to Nihon Roll Manufacturing Co., Ltd.

1950s

One year after reopening the factory post-war, designed and manufactured the first mixer for vinyl. Developed calender rolls for vinyl sheets, successfully utilizing technology previously used for rubber. The late 1950s were the golden age for vinyl sheet machinery.

1947〜1954

  • Vertical 3-Roll-Calender of the 1950sVertical 3-Roll-Calender of the 1950s

    1947 September

    Resumed production after restoring the war-damaged sections of the Oshima factory.

  • 1948 August

    Designated as an important industry factory by the Ministry of Commerce.

  • 1954 April

    Capital increased to 50 million yen.

1960s

A super-large machine assembly factory was completed, said to be the same height as the Marunouchi Building at that time. Began producing large rolling mills, a ⌀40 roll calender, and large presses.

1955〜1973

  • 1956 September

    Increased capital to 150 million yen.

  • 1956 November

    Completed the Tokyo Pipe Manufacturing Plant for PVC pipes.

  • 1957 November

    Designated as a factory for rigid PVC pipes by the Waterworks Association and granted JIS standards.

  • 1959 April

    Completed a 20t electric furnace and new steel plant, beginning production of large cast steel rolls and cast steel.

  • ⌀40S Calender Roll of the 1960s⌀40S Calender Roll of the 1960s

    1961 February

    Completed a super-large machine assembly factory, began production of large rolling mills and presses. Expanded medium assembly factory in line with busy steel machinery production.

  • 1962 July

    Expanded the third machine factory for chemical machinery, completed the second turning factory for the roll division.

  • 1973 June

    Technical collaboration with British Company for special pipe manufacturing.

  • 1973 September

    Started operation of rolling plant (small steel strip facility, 20,000 tons/month).

1970s to Present

Completed equipment for vinyl testing, following rubber testing facilities. Factories once surrounded by fields became dense with other buildings. Internal factory space also became densely packed.

1974〜

  • 1975 March

    Obtained JIS standard approval for rebar for reinforced concrete.

  • 1985 May

    Acquired large hot-grinding machine.

  • 1986 September

    Capital increased to 498 million yen.

  • 1986 October

    Completed rubber testing research facility.

  • 1987 October

    Completed 6-roll calender testing and research facility.

  • 6-Roll Calender6-Roll Calender

    1993 February

    Obtained patent for "Structure and Usage of 6-Roll Calender" (Patent No. 1735179).

  • 1995 September

    Yosuke Aoki became President and Representative Director.

  • 2008

    Celebrated the 120th anniversary.

  • 2010 December

    Updated 6-roll calender testing and research facility.

  • 2011 June

    Completed multi-purpose rolling and roll press testing and research facility.

  • 2013 August

    Established T-Lon Building Materials Business Headquarters.

  • 2013 September

    Opened Narita Sales Office.

  • Scenery of Factory Hall CScenery of Factory Hall C

    2016 March

    Completed two new factories (B and C) in Higashi Kasai, Edogawa Ward. Started operation of solar power generation equipment (40kW) on C factory building.

  • 2016 August

    Completed Narita Sales Office in Higashimachi, Narita City.

  • 2017 June

    Completed new warehouse (D warehouse) in Higashi Kasai, Edogawa Ward.

  • 2018 October

    Obtained general construction industry license (Tokyo Governor Approval (General-30) No. 149435).

  • 2019 September

    Obtained specific construction industry license (Tokyo Governor Approval (Special-1) No. 149435).

  • 2024 January

    Started operation of solar power generation equipment (200kW) on D warehouse building.