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Products and construction methods

Coastal protection blocks

RAKUNA-IV

RAKUNA-IV

This is a radiation-type wave dissipating block with 4 hollows on the surface.


GRASP

GRASP

With superior stability against wave force, this block is suitable for use in the high-wave regions of large depth.


Riverbank disaster-prevention and environment protection blocks
/ Natural stone products

Bed and foot protection blocks

Revetments harmonious with river environment blocks

Fieldstone products

Geosynthetics (Geotextile etc.)