Hara Kougyou is the construction industry’s leading company for grouting, air packers, and soil improvement.
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Save the earth, Environmental friendly
Support your business by our experience and
high-level solution-oriented techniques for Public Works,
Construction and Machine Engineering.
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+81-3-3902-3431
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HARA KOUGYOU CO., LTD.
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Water Swivel
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Air Packer
Expacker
Sleeve Pipe
Preventer
Boring Rod
Boring tools
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Double Packer
Section Packer
Jet Grout
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03-3902-3431
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