1. December 9, 2004
   "NGK Water Lab" Outline & Science Caravan
2. December 2, 2004
   A receipt of an order for the nation's largest ceramic membrane municipal drinking water treatment system
3. November 17, 2004
   NGK Issues Environmental and Social Responsibility Report 2004
4. September 3, 2004
   "Annual Report 2004" added to financial report
5. April 20, 2004
   NGK Conducts Soil and Groundwater Examination on the Site of its Manufacturing Subsidiary
6. March 9, 2004
   Announcement regarding Receiving the 50th Okochi Memorial Grand Production Prize
7. February 3, 2004
   NGK launches OEM supply of ceramic membrane municipal drinking water treatment system to water engineering companies

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