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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2NN32 Air packer
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CCP Monitor
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NN28 Packer
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Outside tap
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Inside tap
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Water Swivel
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Geopack
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Screw Packer
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Slide Gate Valve
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