永井コンクリート工業 Company Profile

For box culverts and concrete products, contact us!

Our company mainly engages in the manufacturing and sales of various concrete products, as well as the design and contracting of civil engineering and construction work. We offer a variety of products, including the new "NC Soundproof Gutter Series," which prevents noise while keeping the current specifications as unchanged as possible, and the "Hat Ring Method," which allows for easy installation without affecting the manhole body.