Sanshin
A Japanese construction company specializing in ground improvement and foundation works.
Last updated September 2, 2026
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Overview
Sanshin (三信建設工業株式会社) is a Japanese construction company founded in 1956, specializing in special foundation civil engineering works such as ground improvement, anchors, and slope stabilization.
History
Sanshin was founded in 1956 in Tokyo. It has been involved in ground-related special foundation civil engineering works, developing technologies such as the Jet Grout method in 1969. The company has expanded with branch offices in Osaka, Kyushu, Nagoya, and Sendai.
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