CDK produces and markets manganese ferroalloys, rare-earth magnet alloys, and hydrogen storage alloys and other battery materials.

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| Address: | 4 Hikari, Kashima-shi, Ibaraki-ken 314-0014, Japan |
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| Tel/Fax: | Tel +81-299-84-3400 Fax +81-299-84-3409 |
The Tokyo—Suigo Itako/Kashima Jingu long-distance coach leaves from the Yaesu Minami exit of Tokyo station. Disembark at Sumitomo Kinzoku-mae (c.105 minutes travel time) and walk 10 minutes to the plant.
For long-distance coach timetables, click here.