NIKKIN STEEL mainly sell stainless steel as a core wholesaler firm of NIPPON KINZOKU CO., LTD.
Long years of technological innovation, human being has established functional civilization.
However, in addition to function and efficiency, new demand has appeared.
That is "gentle" and "comfortable" for our life. We have found the value there.
It can apply to our products stainless steel.
The ideal of our life and stainless steel, it is our aim.
| Establishment | March 28, 1955 |
| Authorized Capital | 2,400,000（Strain）（￥1,200 million） |
| Capital | ￥300 million |
| President | Atsusi Tsukada |
| Products | Stainless Steel Strips, Stainless Steel Plate, High Strength Stainless Steel Strips, Special Steel Strips, Precision Quenched Steel Strip, Bainite Steel Strips, Roll Forming Products, Processed Constructual Products, Precision Tubes, PVC Steel Plate, Surface Treated Steel Plate, Aluminum, Titanium, Pure Iron, Electromagnetic Products Steel Strips, Wound Core, Magnesium Alloy |
| Main Client | NIPPON KINZOKU CO.,LTD. NIPPON STEEL Stainless Steel Corporation JFE Steel Corporation Toyo Kohan Co., Ltd. Nippon Yakin Kogyo Co., Ltd. |
| March, 1955 | Woko Stainless Steel Co., Ltd was established as a main wholesaler of NIPPON KINZOKU |
| November, 1960 | Woko Stainless Steel had changed its name to Woko Steel Materials Co., Ltd |
| June, 1986 | Shimura factory in Shimura, Itabashi-ku officially opened |
| September, 1968 | Opened Osaka office |
| July, 1973 | Separsated from Shimura factory, Shimura Steel Co., Ltd was established as a subsidiary of NIKKIN STEEL (current name=Nikkin Seisei Technics Co., Ltd) |
| June, 1976 | Name changed to NIKKIN STEEL CO., LTD Headquarter office moved to Yaesu, Chuo-ku, Tokyo |
| May, 1979 | Increased capital to 80 million yen |
| May, 1980 | Increased capital to 100 million yen |
| June, 1981 | Opened Nagoya office |
| April, 1982 | Opened Nagoya factory |
| April, 1983 | Opened Kyusyu temporary-office |
| April, 1984 | Opened Osaka factory |
| December, 1986 | Moved Osaka office |
| November, 1991 | Changed Kyusyu temporary-office to Kyusyu office |
| November, 1992 | Moved Kyusyu office |
| June, 1993 | Changed Osaka office to Osaka branch |
| May, 1997 | Headquarter office moved to Shiba Minato-ku, Tokyo |
| March, 1999 | Increased capital to 300 million yen |
| May, 2003 | ISO 9001:2000 certified |
| October, 2008 | We succeeded to a coil center of Nikkin Seisei Technics and changed its name to Distribution Center |
| May, 2009 | NIKKIN YAMANI Acquisition (wholly-owned subsidiary) |
| October, 2010 | Opened Tohoku office in Sendai |
| October, 2010 | NIKKIN YAMANI relocated its logistics factory to Kitamoto, Saitama |
| April, 2021 | Changed Nagoya office to Nagoya branch |
Head Office〒108-0014 Shiba 5-30-7, Minato-ku, Tokyo 108-0014, Japan  TEL.81-3-5765-8200（General Affairs） TEL.81-3-5765-8211（Sales） TEL.81-3-5765-8205（Overseas） |
Tohoku Office〒980-0014 Aoba-ku Honcho 2-3-10, Sendai-shi, Miyagi 980-0014, Japan TEL.81-22-398-7501 FAX.81-22-398-7502 |
Osaka Branch〒542-0012 Tanimachi 9-1-18, Chuo-ku, Osaka 542-0012, Japan TEL.81-6-6765-2531 |
Nagoya Branch〒460-0002 Marunouchi 2-18-22, Naka-ku Nagoya 460-0002, Japan TEL.81-52-221-1631 |
Kyushu Office〒800-0321 Shinhamacho 9-15, Kandamachi, Miyako-gun 800-0321, Japan TEL.81-93-436-5300 |
Osaka Factory〒551-0021 Minamiokajima 5-11-41, Tasho-ku, Osaka-shi, Osaka 551-0021, Japan TEL.81-6-6552-9172 |
Distribution Center〒364-0001 Fukai 5-1, Kitamoto-shi, Saitama 364-0001, Japan TEL.81-48-541-7011 |
| Nagoya Factory 〒480-0124 Hagishima 2-1, Niwa-gun Oguchicho, Aichi 480-0124, Japan TEL.81-587-95-6750 |
| NIKKIN YAMANI 〒364-0001 Fukai 5-1, Kitamoto-shi, Saitama 364-0001, Japan TEL.81-48-540-3070 |
