We will create an environment where people can live with peace of mind with the latest technology and services, from soil pollution countermeasures, antibacterial, deodorant, antifouling with photocatalyst coat, and from public works to general construction. Click here for the EARTH-ECOLOGY study group site From public works to general construction, we will actively utilize new technologies and construction methods for road maintenance, river improvement, water and sewage, and other civil engineering works, and contribute to the improvement of the environment of the local community. Based on customer needs, we seamlessly provide all services from pollution investigation, pollution control planning and construction to monitoring. Please leave the soil pollution countermeasures for land redevelopment and reuse. "Internal and external technocoat" is a photocatalyst that adds environmental functions such as antibacterial, deodorant, and antifouling to various things. We are the sole agent of domestic and foreign techno coats and experts in construction and maintenance.