Reliable manufacturing that supports live lines. We provide excellent products with solid technology.
In recent years, the development of social infrastructure in our country has shifted from growth to maintenance and repair, and we face numerous challenges such as the reconstruction of facilities due to the aging of various lifelines and the strengthening of preparedness for abnormal weather events that occur every year. Our company is engaged in various fields and types of work, including rainwater storage, water supply and drainage, electricity, and gas pipelines. By reflecting our accumulated know-how in various products and simultaneously incorporating new technologies, we provide reliable products. 【Machinery Manufacturing Business】 ■ Shield machines (earth pressure type, slurry pressure type) ■ Semi-shield machines (earth pressure type, slurry pressure type, mud concentration type) ■ Compact shield construction method ■ Dual shield construction method ■ Construction machinery *For more details, please refer to the PDF materials or feel free to contact us.
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【Features】 ■ Shield Machine (Earth Pressure Type, Slurry Pressure Type) - Designed to accommodate various soil types, enabling good excavation while maintaining stability at the face. ■ Semi-Shield Machine (Earth Pressure Type, Slurry Pressure Type, Mud Concentration Type) - By adopting a small segmented mold, it allows for assembly and retrieval even in small shafts. ■ Compact Shield Method - The three-part shield method that incorporates subsequent equipment allows for assembly and retrieval of the machine body in small shafts. ■ Dual Shield Method - A design that merges shield and thrust methods, enabling shield construction with a small diameter. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Our company was established in June 1973 when the heavy machinery earthworks division separated and became independent from Japan National Land Development Co., Ltd. The heavy machinery earthworks division of the company was the first in Japan to introduce what is now common, such as bulldozers with rippers and swamp-type tracked heavy machinery, during the post-war chaos and the dawn of reconstruction. It also played a pioneering role in the development of underwater bulldozers and has been the only manufacturer of towed scrapers in the country. We have inherited this spirit and have continued our business activities centered on specialized heavy machinery earthworks since our founding. However, as times have changed, so have social needs. We will challenge ourselves to transform into a "comprehensive construction company that integrates manufacturing and construction" capable of undertaking projects beyond heavy machinery earthworks while leveraging the DNA of our traditional heavy machinery earthworks.