Corporate History
1920 -
1926 | Maruichi Production founded as a bicycle parts production company. |
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1930 -
1935 | Started producing bicycle steel pipes. |
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1940 -
1940 | Company name changed to Maruichi Steel Tube Works and separated from its bicycle parts division. |
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1947 | Maruichi Steel Tube Ltd. established. |
1950 -
1956 | Osaka Office rearranged and Maruichi Kohan Ltd. founded. |
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1957 | Osaka Plant opened. |
1958 | Tokyo Office opened. |
Electric tube welding system imported from Abby Etona Co. of US. Changed from welding system to seem-welding system. |
1960-
1960 | Changed trade name to Maruichi Steel Tube Ltd. |
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Nagoya Office opened. | |
1961 | Tokyo Plant opened. |
1962 | Company listed 2nd board in the Tokyo and Osaka Stock Exchange. |
1964 | Company listed 1st board in the Tokyo and Osaka Stock Exchange. |
Fukuoka Office opened. | |
1965 | Sakai Plant opened. |
1966 | Hiroshima Office opened. |
Nagoya Plant opened (merged into present Nagoya Plant in 1984). |
1936
1957
1964
1965
1965
1968
1970 -
1970 | Hokkaido Maruichi Steel Tube Ltd. founded. Sapporo Office opened. |
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1972 | Osaka office opened. |
Sakai Pole Plant opened. | |
Indonesia Steel Tube Works Ltd. (ISTW) founded. | |
1973 | Tokyo No.2 Plant newly opened. |
1974 | Shikoku Maruichi Steel Tube Ltd. founded. |
Kyushu Maruichi Steel Tube Ltd. founded. | |
1977 | Nagoya Second Plant (present Nagoya Plant) opened. |
1978 | Head office relocated to Kitahorie, Nishi-ku, Osaka. |
Maruichi American Corporation (MAC) established. |
1980 -
1989 | Takuma Plant opened. |
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1990 -
1995 | Kashima Pole Plant opened. |
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Tokyo No.2 Plant renewal completed. | |
1998 | Sapporo Plant united into Tomakomai Plant under Hokkaido Maruichi Steel Tube Ltd. |
2000 -
2000 | Hiroshima Office and warehouse opened. |
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2001 | Annealing facilities built in Takuma Plant. |
2002 | Tokyo No.2 Plant's new warehouse constructed. Hamamatsu's new warehouse completed. |
2003 | New warehouse and cutting factory opened in Nagoya Plant |
2004 | Kyushu Maruichi Steel Tube Ltd. renewal completed. |
2005 | New factory opened in Tomakomai Plant of Hokkaido Maruichi Steel Tube Ltd. |
2006 | New warehouse opened in Nagoya Plant. |
Maruichi Metal Product(Foshan)Co.,Ltd.(MMP) founded. | |
Sun Steel Corporation joins Maruichi Steel tube Group. | |
2007 | New warehouse building opened in Okayama warehouse. |
New plant built in Sakai plant. | |
SEIKEI STEEL TUBE CORPORATION joins Maruichi Steel Tube Group. | |
2008 | Leavitt Tube Company, LLC (LTC) joins,and it has become one of subsidiary companies of Maruichi Steel Tube Ltd. |
Sun Steel Joint Stock Company(Sunsco) has become one of subsidiary companies of Maruichi Steel Tube Ltd. | |
Sakai Plant renewal completed. | |
2009 | MARUICHI KUMA STEEL TUBE PRIVATE LIMITED (KUMA) has become one of subsidiary companies of Maruichi Steel Tube Ltd. |
Sakai Production Facility of Seikei Steel Pipe Corporation founded opened. | |
Additional acquisition of stocks in Alpha Metal Co., Ltd. |
2010 -
2010 | 16"mill built in SUNSCO. |
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Sun Steel (Hanoi) Co., Ltd. founded. | |
J-Spiral Steel Pipe Co., Ltd. joins Maruichi Steel Tube Group. | |
2011 | Maruichi Metal Product (China, Tianjin) founded opened. |
Mechanical structure steel tube mill at Tokyo No.2 Plant founded opened. | |
No.2 factory mill at Sakai Pole Plant founded opened. | |
2012 | Maruichi Metal Product( China, Tianjin) founded opened. |
No.2 and No.3 factory mill at Tokyo No.2 Plant founded opened. | |
Maruichimex (Mexico) Co.,Ltd. founded. | |
2013 | Megasolar Power Plant has started operation in the Takuma Plant. |
Started operation of the second CGL/CCL of SUNSCO. | |
2014 | Conpleted consolidation of Tokyo Plant. |
Converted Maruichimex into a consolidated subsidiary. | |
2015 | Converted MOST into a consolidated subsidiary. |
Newly constreucted Bangalore Plant of KUMA | |
2016 | Conpleted consolidation of Osaka Plant. |
2018 | Head Office of Maruichi Steel Tube Ltd. and Maruichi Kohan Ltd. relocated to the present address, Namba, Chuo-ku, Osaka. Those sales offices in Osaka including the conduit section were consolidated into the same office. |