Happy Employees! Happy Customers! Contribute to Society!
We pursue both the material and intellectual growth of all our employees, and through our joint efforts, we strive to realize our company’s broader goal of zero ground subsidence in infrastructure construction.

MISSION

We will continue to grow as people, enriching ourselves through the development of underground spaces, including shield tunneling projects, while contributing to safe and comfortable urban development.

VISION

As a one-of-a-kind team of engineers in the world, we aim to be “No.1 in favorability” — the company people are eager to say “thank you” to — through our passion and teamwork.

VALUE

Drawing on the knowledge and technologies backed by a track record of more than 1,900 projects, we propose products and equipment that best meet our customers’ needs, and we promise to swiftly and enthusiastically deliver optimal solutions to any challenge.