Product
Company
Message
| Name | Osaka Tokushu Kokan Mfg.,Co.,Ltd. |
|---|---|
| Location | Head office 2-8-24 Mitejima, Nishiyodogawa-ku, Osaka City, Osaka, 555-0012 |
| Phone number | +81-6-6475-3000 |
| FAX | +81-6-6475-2213 |
| Capital | 22.5 million yen |
| Founded | 1937 |
| Established | 1957 |
| Representative | Yuichi Hirota, President and CEO |
Affiliates : O.T.K. Corporation (Sales Desk)
3-25-15 Uchihonmachi, Suita City, Osaka 564-0032
TEL. +81-6-6382-8601 FAX. +81-6-6382-1401 E-mail : corp@otk.ne.jp
| 1937 | Hirota Masao Corporation founded, as a trader of drawn steel pipes and gas pipes |
|---|---|
| 1957 | Established as the Osaka Tokushu Kokan Mfg. Co., Ltd., started with the Osaka Plant as a manufacturer of welded steel pipes |
| 1970 | Shiga Plant established, 5,000t forming press installed |
| 1981 | Shiga Plant expanded, 15,000t forming press installed |
| 1990 | Sales department is wholly consigned to O.T.K.Corporation Meritorious mention awarded from the prime minister (for contribution to the promotion of public welfare ) |
| 1991 | Tokushima Plant established, 12,000t forming press installed. Letter of appreciation awarded from the governor of Tokushima (for contribution to regional welfare business activities) |
| 1997 | Osaka Plant closed, Shiga Plant succeeded the business |
| 1998 | Tokushima Plant expanded with the addition of Shop 2 and 6,000t forming press is installed Pickling facility installed for integrated production of stainless steel pipes |
| 2008 | Automatic ultrasonic testing equipment is replaced with the brand-new digital models in Tokushima Plant |
| 2012 | Tokushima Plant acquired API5L-D certification. |
| ISO9001(Quality management system) | |
|---|---|
| API 5L (Line pipe) | |
| API 2B (Structural steel pipe) | |
| API 5LD (Clad steel pipe) | |
| JIS A5525 Steel pipe piles | |
| JIS G3444 Carbon steel tubes for general structure | |
| JIS G3457 Arc welded carbon steel pipes | |
| JIS G3459 Stainless steel pipe | |
| JIS G3468 Large diameter welded stainless steel pipes | |
| JIS G3475 Carbon steel tubes for building structure |
Facilities
414-1 Kitatuschiyama, Tsuchiyama-cho, Koka City, Shiga 528-0211
TEL.+81-748-66-1135 FAX. +81-748-66-0111
E-mail : shiga@otk.ne.jp
139-13 Aza-Toyohisa-kaitaku, Toyohisa, Matsushige-cho, Itano-gun, Tokushima, 771-0213
TEL. +81-88-699-5511 FAX. +81-88-699-7555
E-mail : toku@otk.ne.jp
