Industrial domain

Materials

Nippon Steel SG Wire Co., Ltd., Narashino Works

We support the world in the field of “wire”.

We are a global special steel wire manufacturer that boasts strong market share inside and outside Japan with our wires for high-quality springs used in the automobile sector.
In addition to the automobile industry, we also contribute to society in a wide range of domains, such as home appliances, precision and communications devices, civil engineering work and medical devices.
Postal code

275-8577
Address Narashino Works: 7-5-1 Higashi-Narashino, Narashino-shi; Group companies on site: Suzuki-Sumiden Stainless Steel Wire Co., Ltd., Ichikawa Seisen Co., Ltd., SKK Technology Co., Ltd.
Group companies on site: Suzuki-Sumiden Stainless Steel Wire Co., Ltd., Ichikawa Seisen Co., Ltd., NSSG Partners Co., Ltd.
Phone number 81-47-476-3111
Fax 81-47-474-1536
Contact
Website https://www.sgw.nipponsteel.com
Representative director

President & CEO Kimitoshi Yonezawa

Established

 1938.05
Capital 3,634million yen
Number of employees 398

Business activities

- Manufacturing, processing and sale of piano wires, hard drawn steel wires, oil tempered wires, PC steel wires, etc.
- Manufacturing, processing and sale of products made from various kinds of metals and plated products
- Manufacturing, processing and

Main products and processes

- Piano wires
- Hard drawn steel wires
- Oil tempered wires
- Prestressed concrete steel wires
- Shaped wires, etc.

Facilities and equipment

  • - Wire drawing machine
  • - Heat treatment furnace
  • - Stranding machine
  • - Rolling machine
  • - Flaw detection machine
  • - Pickling line
  • - Research equipment, etc.

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