As a specialized trading company for civil engineering materials, we were the first to sell integrated lubricants, and since then, they have been highly praised for their performance and excellent workability, and have been used and trusted by many customers, and continue to be so today.
However, current tunneling projects are increasingly complex, involving long-distance tunneling and sharp curves, requiring a variety of approaches.
TSURUTTA suppresses thrust increase by smoothing the pipe surface and reducing the coefficient of friction.

Features
Hume pipe coating type