Shingo Denzai Co., Ltd.

Kohei Itonaga

Striving for “a world-class operating company no matter how small the company is.”

Our mission, which is to continue to create contributions to society by developing our own products, has been passed down by the found of the company.

Over the course of the past 30 years, SHINGO D brand specializes in our main products, box, pole, and traffic lights, and makes every endeavor to support Safe and Reliable manufacturing.

The era has changed to Reiwa from Heisei today. Regardless of the climate change, IoT, and the drastic change of AI technology innovation, we are committed to continue evolving with the era for the future.

Through the seasons at home and abroad, we would like to strive towards the brand, “Safety and security’s ‘in the nature of things’”

Representative directorKohei Itonaga

Business Policy

To create human assets and gather wisdom
through business activities and
to contribute to society with traffic safety technology

Quality Policy

We strive to develop products from users’ viewpoint
and manufacture products that can win customers’ trust
based on our business principles of quality, cost and speed.

Corporate Profile

Company Name Shingo Denzai Co., Ltd.
Establishment October 25, 1972
Capital Stock 80 million YEN
President Kohei Itonaga
Head Office
HeadOffice and Factory

1-29 Shinkomachi, Omuta, Fukuoka, 8360061 Japan

Tel: +81-944-56-8282

Fax: +81-944-56-8283

Arao Factory

1952-3 Kakihara, Arao, Kumamoto, 8640025 Japan



Tobu Factory

112 Ryoushinden, Nishi, Souka, Saitama, 3400027 Japan

Tel: +81-48-928-3456

Fax: +81-48-928-3446

Sales Office
Hokkaido Sales Office

6-23 Higashiku, Kita, Sapporo, Hokkaido, 0650033 Japan

Tel: +81-11-733-7911

Fax: +81-11-733-7933

Tohoku Sales Office

Ever-i, 403 1-1-6 Kakyouin, Aobaku, Sendai, Miyagi, 9800013 Japan

Tel: +81-22-215-5541

Fax: +81-22-215-5542

Tokyo Sales Office

9-27 Shin-Ogawacho, Shinjuku, Tokyo, 1620814 Japan



Chubu Sales Office

2-3-22 Aoi, Higashiku, Nagoya, Aichi, 4610004 Japan



Kansai Sales Office

6-11-13 Hishie, HigashiOsaka, Osaka,5780984 Japan

Tel: +81-72-960-3941

Fax: +81-72-960-3942

Chugoku Sales Office

3-15-7 Shinonome, Minamiku, Hiroshima,7340022 Japan



Kyushu Sales Office

2-5-21 Hakata-Eki-Higashi, Hakataku, Fukuoka-city, Fukuoka, 8120013



Main Product
Equipment for Traffic Signal
  • ETraffic Signal Light for Automobiles
  • ETraffic Signal Light for Pedestrians
  • ETerminal Box for Traffic Signal
  • EPower Box for Traffic Signal
Pole and Arm for Traffics
  • EPole for Traffic Signal
  • EInformation Pole for Traffic Sign
  • ELight Pole for Traffics


Please contact the receptionist below for any questions.