Company
History

Aoyama Special Steel was founded in Kobe as a pioneer in the import and sale of specialty steel. For nearly a century, we have remained dedicated to delivering the highest quality solutions to our customers, adapting to the ongoing structural changes and transformations in the industrial sector. Guided by an earnest approach to business, we are committed to offering proposals rooted in integrity.
Through these efforts, we have developed strong bonds with our valued partners, including customers and business associates—bonds we consider an invaluable asset.
Founding - 1950s
- 1914
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Founded in Kobe
At the time of founding At the time of founding
- 1956
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Established the current Aoyama Special Steel Co., Ltd. with a capital of 30 million yen.
Warehouse Entrance of the Tokyo Branch Tokyo Headquarters and Warehouse in Echinebori, Tokyo
1960s
- 1960
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Increased capital to 60 million yen
- 1961
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Opened Osaka Branch and increased capital to 66 million yen
Former Osaka Branch building Inside the Osaka Branch office
- 1964
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Opened Niigata Sales Office
Former Niigata Sales Office Building
- 1965
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Opened Shizuoka Branch
- 1967
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Tokyo Headquarters Reconstruction
Former Tokyo Headquarters Building
- 1968
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Hamamatsu Sales Office Established
- 1969
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Kakogawa Sales Office Established, Urayasu Center Constructed
1970s
- 1970
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Capital Increased to 100 Million Yen
- 1971
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Nagoya Sales Office Established
- 1975
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Shizuoka Branch Heat Treatment Center Completed
- 1976
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Sakaigawa Sales Office Established
- 1978
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Hokuriku Sales Office Established
The book "Sixty Years in Steel" written and published by Seiichi Aoyama, who supported the company’s founding era
1980s – 1990s
- 1981
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Sagami Sales Office, Ota Sales Office, Tohoku Business Office Established
Tohoku Business Office Renovated in 2019
- 1982
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Kakogawa Sales Office Relocated to Akashi City and Renamed "Hyogo Sales Office"
- 1983
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Shizuoka Branch Processing Factory Completed
Shizuoka Branch Processing Factory
- 1984
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Urayasu Sales Office, Toyohashi Sales Office Established
30th Anniversary Party
- 1988
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Second Urayasu Warehouse Constructed
- 1995
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Aoyama Special Steel Hong Kong Co., Ltd. Established
2000s
- 2001
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Capital Increased to 310 Million Yen
Shanghai Office of Aoyama Special Steel Hong Kong Co., Ltd. EstablishedExhibition Booth Display
- 2002
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Aoyama Tokka Metals (Shanghai) Co., Ltd. Established
- 2003
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Sakaigawa Sales Office in Osaka Relocated to Higashi-Osaka City and Renamed "Higashi-Osaka Sales Office"
- 2006
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Second Processing Factory at Shizuoka Branch Completed
Second Processing Factory at Shizuoka Branch
- 2007
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Kuwana Distribution Center Constructed
- 2008
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Hyogo Sales Office Reconstructed
Hyogo Sales Office Exterior
- 2009
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Hamamatsu Sales Office Relocated to Iwata City
Central Japan Sales Team Trip Hamamatsu Sales Office
2010s
- 2012
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New Second Urayasu Warehouse Constructed
Second Urayasu Warehouse Exterior
- 2013
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Foshan Qing Shan Special Steel Co., Ltd. Established
- 2014
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Urayasu Center Reconstructed
- 2015
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Higashi-Osaka Sales Office Expanded
Toyohashi Sales Office Relocated within the Same CityToyohashi Sales Office Exterior
- 2016
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Temporary Relocation of Headquarters within the Same Ward for Reconstruction
60th Anniversary Party
- 2018
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Reconstruction of Headquarters
Headquarters Building Interior of Headquarters
- 2019
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Ota Sales Office Relocated within the Same City
2020s
- 2021
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New Admet Business Division Established
Sendai Sales Office Established
Ibaraki Sales Office Established
Kyushu Sales Office Established
Osaka Branch Relocated within the Same City
Ota Sales Office Relocated within the Same CityOta Sales Office Exterior
- 2022
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Sagami Sales Office Relocated within the Same City
Higashi-Osaka Sales Office Renamed "Higashi-Osaka Logistics Center"
- 2023
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Kyushu Sales Office Relocated within the Same City
- 2024
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Taiwan Aoyama Special Steel Co., Ltd. Established
Ibaraki Sales Office and Warehouse Relocated to Naka City