Company Information
With the joy of growing together.
Since its establishment, Iijima Koukan has been in the constant pursuit of growth and innovation. We are committed to solving the challenges our customers face and supporting their success and growth. We continue to refine our ideas, hone our skills, and invest heavily in equipment and facilities. We continue to improve our quality of service. We make steady progress in our growth step by step. The growth of Iijima Koukan and every one of our employees, leads to the growth of our customers. Our greatest joy is that we can continue to grow together in this way.
Toshihiko Iijima, Representative Director
About Us
| Company name | Iijima Koukan Co. |
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| Location |
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| Establishment | August 1957 |
| Capital Stock | 50 million yen |
| Representative Director | Toshihiko Iijima |
| Employee | 100 persons |
| Main Clients | Sumitomo Heavy Industries, Ltd. Metal One Sumisho Tubular Products Co., Ltd. Komori Corporation Shibaura Machine Co., Ltd. Plus another 300 companies |
| Correspondent Banks | MUFG Bank Kinshicho Branch Mizuho Bank, Ltd. Kameido Branch Sumitomo Mitsui Banking Corporation Kameido Branch The Shoko Chukin Bank, Ltd. Fukagawa Branch The Joyo Bank, Ltd. Tsuchiura Branch |
History
| 1957 | August | Company established with capital of 1,000,000 yen Begins operations in Ojima-cho, Koto-ku, Tokyo |
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| 1958 | November | Tsuchiura Sales Office opened in Nakatakatsu, Tsuchiura City |
| 1968 | January | Saitama Sales Office opened in Iwanoki, Misato City |
| 1969 | October | Capital increased to 4 million yen |
| 1973 | April | Machining plant opened in Yorimaki, Misato City |
| 1974 | September | Capital increased to 8 million yen |
| 1986 | October | Machining shop relocated to Saitama Sales Office |
| 1988 | June | Capital increased to 20 million yen |
| 1989 | October | Introduced a business division system |
| 1990 | October | Mechanical Processing Division relocated to Yoshikawa City |
| 1992 | November | Industrial Materials Supply Division completed a new building in Kamitakatsu, Tsuchiura City. |
| 2003 | November | Increased capital to 50 million yen |
| 2005 | April | Toshihiko Iijima is appointed as Representative Director. |
| December | Pipe & Tubing Division expands plant building | |
| 2006 | December | Mechanical Processing Division expands plant building |
| 2012 | January | Completed construction of new Yoshikawa Plant (Buildings A and B) in Juikken, Yoshikawa City Machanical Processing Division relocated |
| May | Pipe & Tubing Division relocated to Yoshikawa Plant Pipe & Tubing Division and Mechanical Processing Division consolidated into Yoshiikawa Plant |
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| 2015 | February | Pipe & Tubing Division constructed new Building C |
| 2018 | December | Yoshikawa Plant acquires ISO 9001:2015 certification |
| 2020 | May | Pipe & Tubing Division expands Building C |
| 2022 | August | Tsuchiura Branch reconstructs office building |
Location
Yoshikawa Plant
The Yoshikawa Plant, our flagship plant, integrates our advanced technology and professional knowledge in steel pipe and machining, so that we can respond to all of our customers’ needs.
- 271, Juikken, Yoshikawa-shi, Saitama 342-0007, Japan TEL.048-992-3711（Representative）
- Pipe & Tubing Division : TEL.048-992-3712 FAX.048-992-5711
- Mechanical Processing Division : TEL.048-992-3713 FAX.048-992-3714
Tsuchiura Branch
The Tsuchiura Branch, which offers mainly small- to medium-diameter steel pipes, machining, and a full lineup of industrial materials, is a community-based base that specializes in the needs of the local area.
- 350-1, Kamitakatsu, Tsuchiura-shi, Ibaraki 300-0811
- TEL.029-821-8911 FAX.029-823-8693