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News

Technology & Service

Civil Engineering Business

We seek to create future society’s foundations through a wealth of technology and achievement in the land-based civil engineering sector such as roads, railways, dams and rivers, water and sewage, and energy facilities, and in the ocean-based civil engineering sector such as ports and airports, fishing harbors, coasts and artificial islands.

Civil Enginnering Business

Soil Improvement Business

Since being the first in the world to successfully develop the now popular sand compaction construction method in 1956, we have conducted further research and development and have a wealth of design and construction technology and achievements as land experts.

Soil improvement Business

Block and Environment Business

In addition to mold lease business represented by “Tetrapods,” we provide various technologies and design services along waterfront areas and develop and sell products to protect landscapes and ecosystems.

Block and Environment Business

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