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1938：
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Company founded. |
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1943：
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Designated a C-class munitions factory. Manufactured nautical chart protractors and related equipment. |
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1950：
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Began collaboration with FUJIKOSHI CORP. Manufactured micrometers. |
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1951：
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Began collaboration with Komatsu Ltd. Manufactured pins. |
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1961：
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Sankoh Manufacturing Co., Ltd was founded. |
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1970：
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Became a inaugural member of the Komatsu Midori Group |
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1976：
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Designated a factory for promoting and improving technology in the machinery industry in Ishikawa Prefecture. |
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1980：
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Implemented TQC |
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1984：
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Received the Komatsu Quality Control Award. |
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1988：
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Began collaboration with Furukawa Co., Ltd. |
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1992：
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Began in-house development, manufacture and sale of hydraulic valves. |
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1977：
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Began collaboration with Mitsubishi Heavy Industries. |
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2000：
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Began the import and sale of Chinese made hydraulic valves. |
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2002：
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Began the import and sale of Chinese made machinery components |
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