-Models- A method using both a waterjet cutter(J) and a vibro hammer(V) This method of foundation improvement drives in piles using the perfect combination of a waterjet cutter and vibro hammer. Low-vibration and low-noize construction is possible, even in hard soils with an N value exceeding 50.

-Models- [[[JS-135EⅡ／JS-250E／JS-330E／JS-420E]]] A high-power, transportable jet pump, combining three high-pressure plunger pumps and an operating engine in a small body. This machine will meet various needs when conducting the JV method, such as placing sheet piling, H-steel, or concreet sheet piles.