Manganese ferroalloys



CDK produces manganese ferroalloys, auxiliary materials essential to assuring the strength and flexibility in iron.

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Molten municipal waste ash and
industrial waste recycling


Environmental Services

CDK recycling operations exploit our vitrification and detoxification technologies for waste material in ferroalloy and other furnaces.

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Hydrogen storage alloys and other battery materials, rare-earth magnet alloys and manganese inorganic chemicals


Functional Materials

CDK supplies functional materials that underpin high tech industries. As well as hydrogen storage alloys for hybrid vehicles, product includes rare-earth magnet alloys and materials for the secondary batteries that assist energy conservation.

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JAB CDK recognizes the importance of environmental protection and works to achieve harmony with society.
CDK is ISO 14001 and ISO 9001 certified.
Group companies

Chuden Kosan Co.,Ltd. Chuden Sangyo Co.,Ltd.