site map privacy policy Contact Us Underground continuous wall construction It is possible to construct continuous walls up to a large depth according to the applications such as mountain retaining walls, underground walls of the main body, and foundation piles. Place pile construction It is possible to construct a permanent pile in place even at a pile construction site in an urban area or in a place with height restrictions under an overpass. Hot spring development We will keep in mind the construction based on the technology cultivated over many years and fulfill our social responsibility through our corporate activities. The site of our company Juba was introduced on NHK Biz Spo (broadcast on Thursday, February 28, H23.7, "Aiming for a new oil-producing country, South Sudan"). The homepage has been renewed (H23.8) We are waiting for inquiries about hot springs, such as when the amount of hot spring water is low or you want to dig a hot spring. Would you like to use the groundwater that sleeps at your feet? I will propose. Copyright © Tone Engineering Corporation All rights reserved. site map privacy policy Contact Us