Revolutionizing the Global $20 Trillion Road Market! Japan’s "Perforated Concrete Method" to Reduce Flood Risks【Tatsuya Ozawa】

We are a company specializing in construction. Although we are a small company, we have dedicated 30 years to the construction industry.

We want more people to know about construction work. That’s why we started posting videos.

Though we still have a lot to improve, we hope to share the joy and importance of construction work through our videos.