| Steel associated Businesses>Steel users |
| Established Date： Dec. 18, 1947 |
| CSC Shareholding Percentage：2.38% |
| Main Business： Steel Tube |
| 9-10, 3 Chome, Kitahorie, Nishi-ku, Osaka 550-0014 Japan |
| TEL： 81-6-6531-0101 |
FAX：81-6-6543-0190 |
| www.maruichikokan.co.jp |