Electrical work and communication facility installation work

We have abundant experience and know-how in power receiving and transforming equipment, power equipment, control systems, lighting, and energy saving projects in various factories and public plant facilities. We also provide services such as planning, design, construction, and maintenance of road lighting, tunnel lighting, tunnel ventilation equipment, bridge lighting equipment, etc.

Nagasaki Megami Bridge (Venus Wing) / Power receiving and communication, lighting facility
Nagasaki, Japan / Building electricity installation work
Japan / Tunnel lighting and Disaster prevention work


We provide design, construction, and maintenance services for electrical instrumentation work in various factories and plants.
We are working on lighting, communication, disaster prevention, and jet fans for many road facilities (tunnels, bridges, etc.).
Optical fiber cable laying work, fusion splice work, and testing.

Power generation and transformation facility

We are a registered contractor of Kyushu Electric Power Co., Inc.. We install the machinery and equipment of power plants and substations and carry out safety management work 24 hours a day. We also inspect, repair, and replace equipment in the power receiving and transforming equipment of our customers’ factories.

Japan / Substation power cable laying work
Nagasaki, Japan / 2750kVA generator installation work
Japan / Power transformer (66kv to 6.6kv) fabrication work


・Registered contractor of Kyushu Electric Power Co., Inc.
・Substation work (220kv-66kv)
・Construction and repair work for internal-combustion power plants and thermal power plants
・Power transmission tower construction work
・Power transformer fabrication work
・Substation high-voltage cable laying work
・Inspection work for various electric power equipment

History of Kyowakiden Industry Co.,Ltd.

Kyowakiden Industry has acquired technology and skills with the development of
society for more than 70 years since it was founded in Nagasaki in 1948.