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1964
Founded wholesale sales of steel and secondary products such as wires, nails, and boards in Daito city
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1967
Warehouse opened in Kadota-cho, Kadoma City
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1969
DAITO CO., LTD. established with capital of 4 million yen by relocating the office to the same place
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1970
Along with the start of production of color steel sheet at Yodogawa Steel Works Kure Plant, we focused on sales.
Prefabricated House Manufacturers Expansion sales began for general contractor subcontractors. -
1972
Kyoto sales office opened.
Construction of first warehouse.
Start sorting and selling zinc / cold rolled products -
1973
Construction of the second warehouse of the Kyoto office.
Commenced sales of local construction materials -
1976
Started selling galvanized steel sheets in addition to conventional 1st grade products as well as over rolled products.
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1994
Repeated capital increase with business expansion, capital increased to 9 million yen.
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1995
We will further focus on expanding sales channels for surface treated steel sheets and promote user development.
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1996
Capital participation of SADOSHIMA CORPORATION, get 20%.
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1999
We will make SADOSHIMA CORPORATION own ownership percentage 70% and become an affiliated company.
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2003
Closing the Kyoto office, withdrawing business completely in the area.
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2004
Establishment of trade department.
Started importing and exporting operations of steel sheets. -
2004
Moved headquarters office to Kuotaro-cho, Chuo-ku, Osaka, moved to Minami-Enashima-cho, Taisho-ku.
Responding to streamlining sales and operations and speeding up promotion.
At the same time, we strive to develop human resources and try to increase the number of four. -
2006
I’ll partner with you.
We will develop basic software for steel distribution and rationalize the work further. -
2006
Partner with ANGANG STEEL COMPANY LIMITED and start domestic sales of GI.
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2009
Began trilateral trade to China, Vietnam and ASEAN countries.
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2010
Acquisition of ISO 14000 (certification number ECO 2 JO 369 – 4)
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2011
The shareholding ratio of SADOSHIMA CORPORATION will be 85%.
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2017
The shareholding ratio of SADOSHIMA CORPORATION will be 90%.
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2023
Updated backborn core systems, and began its operation in earnest.
Opened tokyo branch