NKK is challenging the development of environment-friendly technologies and now supplying plants, technologies and products harmonized with nature to create rich and rewarding human environments. At the beginning, NKK started business in environmental field with the improvement of technologies introduced from overseas for NKK version and built up business basis as top manufacturer. Recently, NKK is increasing the amount of the order received and continuously gaining high profitability. In this paper, we report the history of pioneering business in this field, plants and technologies of NKK-original developed by ourselves and commercialized in environmental industries division.
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