learn about our history

Our History

85 Years History of Refractory Manufacturing

  • August 1936: “OSAKA YOGYO FIRE BRICK CO..LTD.” established
  • September 1937: “Okayama Clay Plant”(the second branch of Yoshinaga Plant)built
  • January 1938: “Hinase Plant” built
  • December 1947: “Tokyo Branch Office” established
  • September 1949: Listed on the Osaka Stock Exchange
  • June 1951: “Mitsuishi Plant”(the third branch of Yoshinaga plant)established
  • April 1955: “Kyushu Branch Office” established
  • April 1962: “Yoshinaga plant”built
  • April 1985: “Technical Research Laboratory” established
  • June 1987: Changed company name to “YOTAI REFRACTORIES co”
  • October 1993: Merged with” OSAKA YOGYO CO.,LTD.”
  • July 2004: Joint venture enterprise “NEW YOTAI REFRACTORIES CO.,LTD.” established
  • May 2005: changed ” NEW YOTAI REFRACTORIES CO.,LTD.”to wholly owned enterprise
  • August 2011: The 75th anniversary
  • October 2021: LMM GROUP and NEW YOTAI reached a strategic, partnership,Establish YINGKOU LMM YOTAI REFRACTORIES CO.,LTD

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