Yujiro Ida

Ida technos Corp. is engaged in general construction services. The company offers construction of pavement, civil engineering, planning, designing and consulting services. The firm also provides regional development, urban development, resource development and environmental improvement projects. Ida Technos was established in 1946 and is based in Saitama, Japan.

Towa Arcs KK is a Japanese general trading company that greatly contributes to the construction and maintenance of infrastructure. The private company, founded in 1954, is based in Saitama, Japan and has a history of over 60 years. Towa Arcs specializes in manufacturing and sales of construction materials such as crushed stone, sand, cement raw cone, oil and oils such as petroleum gasoline, selling solar power generation and LED sales.