Introducing the components of a groundbreaking construction method that can efficiently handle high drop processing!
This document contains information about the "components of the drop shaft." The drop shaft construction method is a groundbreaking technique developed in collaboration with the Japan Sewerage New Technology Promotion Organization, which allows for efficient processing of high drop heights. The main features include the reduction of manhole cross-sectional area, improved durability, enhanced maintenance environment, reduced air entrainment in main lines and storage pipes, total cost reduction, shortened construction period, and improved workability, demonstrating advantages over conventional methods. [Contents] ■ Components of the drop shaft *For more details, please refer to the PDF document or feel free to contact us.*
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Kouwa Commercial Co., Ltd. was established in October 1975 by separating the sales division of Hirokuchi Block Co., Ltd., a comprehensive manufacturer of concrete products, and has since developed into a general trading company dealing in concrete secondary products, steel materials, civil engineering and construction materials, reaching this milestone after 50 years. During this time, in response to the diverse society alongside economic development, we have earnestly committed ourselves to the advancement of our business, upholding sincerity and trust as our principles. As a result, thanks to the support of many related industries, we have been able to build a solid foundation of trust. We sincerely appreciate and thank our clients and all those in related industries for their support and guidance. All of us at the company, as we welcome the 21st century, are eager to continue advancing businesses that meet the needs of the local community and fulfill our mission. We kindly ask for your continued guidance and support, and we extend our greetings.