Fully made to order,
we will meet any customer request.
Selected as one of the 100 GNT companies certified
by the Ministry of Economy, Trade and Industry
Among the companies that have high technological and field capabilities and are working to develop the international market, the Ministry of Economy, Trade and Industry has secured a high share in the niche field and is practicing good management as "Global Niche Top Companies 100" Selected as "Selection".
Our products are incorporated as components in every machine in the industry, and many of them are exported overseas. In addition, the manufacturing technology cultivated by manufacturing control rod tie rods for nuclear power plants is wide-ranging, such as linear motion (LM) guide rails used in semiconductor manufacturing equipment and cover plates for toroidal coils of thermonuclear fusion reactors (ITER). It is used for applications that require high quality in the industrial field.
Our products are incorporated as components in every machine in the industry, and many of them are exported overseas. In addition, the manufacturing technology cultivated by manufacturing control rod tie rods for nuclear power plants is wide-ranging, such as linear motion (LM) guide rails used in semiconductor manufacturing equipment and cover plates for toroidal coils of thermonuclear fusion reactors (ITER). It is used for applications that require high quality in the industrial field.
Company Profile
■Company name
SILD CO., LTD.
■Foundation
March 1955
■Capital
40 million yen
■Fiscal year
March 31
■Business content
Manufacture and sale of cold and hot finish deformed products, and purchase and sale of various polished steel bars, special steel, stainless steel, aluminum products, and raw materials.
■Major shareholders
Daido Steel Co., Ltd
Tokyo Small and Medium Business Investment & Consultation CO., LTD. （SBIC East Japan ）
Sumitomo Mitsui Trust Bank, Limited
OJI STEEL Co., Ltd. etc.
Tokyo Small and Medium Business Investment & Consultation CO., LTD. （SBIC East Japan ）
Sumitomo Mitsui Trust Bank, Limited
OJI STEEL Co., Ltd. etc.
■Representative
President Katsutoshi Yagi
■Employee
156 people (as of March 1, 2023)
■location
[Head office]
3F Horidomechuo Building, 2-3-3 Horidome-cho, Nihonbashi, Chuo-ku, Tokyo, Japan 103-0012
PHONE:81-3-3662-5331 FAX:81-3-3662-9382
[Osaka branch]
7F Koike Building, 1-8-7 Hirano-cho, Chuo-ku, Osaka, Japan 541-0046
PHONE:81-6-4707-7581 FAX:81-6-6208-0015
[Chiba factory]
402-1, Naka, Shiroi City, Chiba, Japan 270-1406
PHONE:81-47-492-0912 FAX:81-47-492-0930
[Chiba second factory]
2790-3, Hiratsuka, Shiroi City, Chiba, Japan 270-1402
PHONE:81-47-404-6380 FAX:81-47-404-6386
[Narita factory]
4-13-1 Yakoshinmei, Sakae-cho, Inbagun, Chiba, Japan 270-1501
PHONE:81-476-95-7600 FAX:81-476-85-0198
3F Horidomechuo Building, 2-3-3 Horidome-cho, Nihonbashi, Chuo-ku, Tokyo, Japan 103-0012
PHONE:81-3-3662-5331 FAX:81-3-3662-9382
[Osaka branch]7F Koike Building, 1-8-7 Hirano-cho, Chuo-ku, Osaka, Japan 541-0046
PHONE:81-6-4707-7581 FAX:81-6-6208-0015
[Chiba factory]402-1, Naka, Shiroi City, Chiba, Japan 270-1406
PHONE:81-47-492-0912 FAX:81-47-492-0930
[Chiba second factory]2790-3, Hiratsuka, Shiroi City, Chiba, Japan 270-1402
PHONE:81-47-404-6380 FAX:81-47-404-6386
[Narita factory]4-13-1 Yakoshinmei, Sakae-cho, Inbagun, Chiba, Japan 270-1501
PHONE:81-476-95-7600 FAX:81-476-85-0198
■Major suppliers
Daido Steel Co., Ltd.
NIPPON STEEL CORPORATION
OJI STEEL Co., Ltd.
etc. (in no particular order, titles omitted)
NIPPON STEEL CORPORATION
OJI STEEL Co., Ltd.
etc. (in no particular order, titles omitted)
■Main client
THK CO., LTD.
SHIMA SEIKI MFG., LTD.
TOSHIBA CORPORATION
Hitachi, Ltd.
Mitsubishi Heavy Industries, Ltd.
Mitsubishi Electric Corporation
Canon Inc.
KOMORI Corporation.
Kaneso Co., Ltd.
ARAYA SPECIAL METAL CO.,LTD
Tsudakoma Corp.
Fuji Xerox Co., Ltd.
Panasonic Corporation
IHI Corporation
SUS Corporation.
Other 500 companies (in no particular order, titles omitted)
SHIMA SEIKI MFG., LTD.
TOSHIBA CORPORATION
Hitachi, Ltd.
Mitsubishi Heavy Industries, Ltd.
Mitsubishi Electric Corporation
Canon Inc.
KOMORI Corporation.
Kaneso Co., Ltd.
ARAYA SPECIAL METAL CO.,LTD
Tsudakoma Corp.
Fuji Xerox Co., Ltd.
Panasonic Corporation
IHI Corporation
SUS Corporation.
Other 500 companies (in no particular order, titles omitted)
■Major banks
Sumitomo Mitsui Trust Bank, Limited
The Shoko Chukin Bank, Ltd.
Chiba Bank, Ltd.
Sumitomo Mitsui Banking Corporation
etc.
The Shoko Chukin Bank, Ltd.
Chiba Bank, Ltd.
Sumitomo Mitsui Banking Corporation
etc.
Head office
Osaka branch
Chiba factory
Chiba second factory
Narita factory
Corporate history
■1955
Established as a steel bar wholesaler in Nihonbashi, Tokyo
■1962
Opened Osaka Sales Office
■1966
Constructed Japan's first factory dedicated to deformed drawing by combining hot rolling and cold drawing in Chiba Prefecture, and started manufacturing and selling deformed drawn products
■1970
Opened Nagoya Sales Office
■1971
Certified to manufacture nuclear power reactor internal parts (tie rods for control rods) and started delivery
■1972
Started manufacturing and sales of stainless flat steel
■1976
Established an integrated production line for austenitic stainless flat steel (acquired equipment patent No. 1378294)
■1980
Started manufacturing and sales of new stainless steel flat steel product, polished skin cold, as a starting manufacturer
■1982
Established the first roller hearth type gas atmosphere annealing furnace (STC furnace) for steel bars and wires in the deformed industry
■1987
Newly installed continuous solution heat treatment furnace (ST furnace) for steel bars
■1994
Expansion of two-story wire material factory, new installation of wire drawing machine, straight line machine, cold block mill, etc.
■1995
Updated continuous solution heat treatment furnace (ST furnace) for steel bars
■1997
Installed wire electric discharge machine
■1998
Established Narita Plant with the aim of rationalizing and strengthening the irregular rolling division
■2000
Addition of roller hearth type gas atmosphere annealing furnace (STC furnace) for steel bars and wires
■2002
Quality management system ISO 9001
Obtained 2000 version certification (JMAQA-1277) JMA
Obtained 2000 version certification (JMAQA-1277) JMA
■2005
Introduced a multipurpose large wire rod processing line and expanded a two-story wire rod factory
■2007
Environmental management system ISO14001 2000 version certified (JMAQA-E720)
(Returned in 2009, the system continues to work)
(Returned in 2009, the system continues to work)
■2008
Established second hot rolling line at Narita Plant
Headquarters relocation
Headquarters relocation
■2011
Quality management system ISO 9001 2008 version acquired migration certification (JMAQA-1277)
■2012
Reconstruction of drawing factory, renewal of pickling equipment for stainless steel, and installation of trade-in wire drawing machine with the aim of rationalizing the Chiba factory
■2013
ITER mechanism certified to manufacture fusion reactor parts (cover plates) and started delivery
The Narita Plant was expanded and a continuous solution heat treatment furnace (ST furnace) for steel bars and a mouthpiece processing facility were newly installed
The Narita Plant was expanded and a continuous solution heat treatment furnace (ST furnace) for steel bars and a mouthpiece processing facility were newly installed
■2014
Selected as one of the 100 GNT (Global Niche Top) companies certified by the Ministry of Economy, Trade and Industry
■2015
Opened Osaka branch
Moved Nagoya sales office and integrated into Osaka branch
New roller hearth type gas atmosphere annealing furnace (STC furnace) for steel bars and wires at Narita Plant
Moved Nagoya sales office and integrated into Osaka branch
New roller hearth type gas atmosphere annealing furnace (STC furnace) for steel bars and wires at Narita Plant
■2018
Quality management system ISO 9001 2015 version migration certification acquired (JMAQA-1277)
Addition of wire rod pit furnace
Addition of wire rod pit furnace
2020
The completion ceremony and burning ceremony of the Chiba No. 2 Factory were held.
Access
■Head office
3F Horidomechuo Building, 2-3-3 Horidome-cho, Nihonbashi, Chuo-ku, Tokyo, Japan 103-0012PHONE:81-3-3662-5331
FAX:81-3-3662-9382
■Osaka branch
7F Koike Building, 1-8-7 Hirano-cho, Chuo-ku, Osaka, Japan 541-0046PHONE:81-6-4707-7581
FAX:81-6-6208-0015
■Chiba factory
402-1, Naka, Shiroi City, Chiba, Japan 270-1406PHONE:81-47-492-0912
FAX:81-47-492-0930
■千Chiba second factory
2790-3, Hiratsuka, Shiroi City, Chiba, Japan 270-1402PHONE:81-47-404-6380
FAX:81-47-404-6386
■Narita factory
4-13-1 Yakoshinmei, Sakae-cho, Inbagun, Chiba, Japan 270-1501PHONE:81-476-95-7600
FAX:81-476-85-0198