SW liner method

Safer and faster! Renewing and strengthening Japan's underground with new technology.

last updated Feb 27, 2026

CIPP pipe rehabilitation system "ARIS liner method"

By minimizing the pressure difference caused by elevation changes, a uniform and consistent finish can be achieved!

last updated Jan 16, 2026

J-TEX method

Speedy, high quality, low cost! Simultaneously achieve improvements in the work environment.

last updated Feb 27, 2026