Company Information

Company History

1935
Began operations as the "Okuhara Works"
1951
Established "Toyo Screw Manufacturing, Co., Ltd." (4-268 Shukomimachi-higashi, Ota-ku, Tokyo)
1952
Changed corporate name to "Kotobuki Industries Co., Ltd."
1956
Borrowed nationally-owned land and buildings at Sector 3 of the former 11th Naval Air Arsenal (Nada, Hiro-machi, Kure City) to establish the "Hiro Works" and began manufacturing steel castings
1958
All the nationally-owned land and buildings under loan and the surrounding land and buildings, as well as machines were sold off by the government, thus expanding the facilities
1961
A nationally-owned land of 51,900 m2 for land and 20,460 m2 for the building adjacent to the Hiro Works were sold off by the government, thus expanding our factory scale
1980
Opened a new steel factory equipped with a 70-ton electric furnace, continuous casting equipment, and large-scale cast steel production equipment
1982
Installed new bloom continuous casting machine and LF-V
1986
Expanded the furan self-hardening sand equipment and machining center with five-face machining equipment
1998
Installed new 20-ton electric furnace
2004
Received Chemtech Company from Kotobuki Engineering and Manufacturing Co., Ltd.
2007
Received the Prize for Science and Technology (Development Category) by the Minister of Education, Culture, Sports, Science and Technology for the development of a nano-particle disperser
2009
Received 3rd Monodzukuri Nippon Grand Award held by Ministry of Economy, Trade and Industry and the Award (Product & Technology Development Category) from the Minister of Economy, Trade and Industry
2009
Completed the Kitakyushu Works and began operations
2012
Closed the Kitakyushu Works
2013
Acquired ISO9001 certification for the Steel Company
2014
  • Provided a license of the straight drum centrifuge technology to OHK Co., Ltd. in Korea
  • Acquired capital through support from the Regional Economy Vitalization Corporation of Japan
2016
Changed company name to "HIROSHIMA METAL & MACHINERY CO., LTD."
  • Top Page
  • ->
  • Company Information
  • ->
  • Company History