ENVIRONMENT Environmental Activities

SUMITOMO ELECTRIC HARDMETAL, as a member of the Sumitomo Electric Group, has defined its existence value as "pursuing top technology, evolving linking and supporting technology through innovation, and contributing to the realisation of a better society through the collective strength of the Group", and has set "a society where people can live in peace", "a comfortable and livable society" and "a green environmental society" as its social vision and will contribute to realising them.

Complete Abolition of Harmful Substances

Sumitomo Electric Hardmetal Corp. has completely abolished materials or processes of all products designated as hazardous heavy metals including lead, mercury, hexavalent chromium, and cadmium, whose use is restricted by Europe's RoHS/ELV directives.

In addition, such hazardous organic compounds as PBB, PBDE, PFOS, PFOA, trichloroethylene, and dichloromethane are not used in all processes.

  • Mercury abolished (March, 2003)
  • Hexavalent chromium abolished (December, 2004)
  • Cadmium abolished (January, 2006)

Energy Saving

To take measures against global warming, Sumitomo Electric Hardmetal Corp. has been engaged in reduction of CO2 emissions by energy saving activities, successfully resulting in a significant reduction of an energy unit.

Proven Energy Saving by Sumitomo Electric Hardmetal Corp.

Zero Emission

Sumitomo Electric Hardmetal Corp. started zero emission activities since 2001. In 2005, we reached an annual zero emission lower than the target value of 1%, and we are still on the way of seeking for a sustained and improved rate while striving for further renovation of the activity.

Transition of Zero Emission Rate by Sumitomo Electric Hardmetal Corp.

ISO14001 Certification Status (including Subsidiaries)

Sumitomo Electric Hardmetal Corp. ,
certified on September 29, 2000, [No. JQA-EMI1030]

  • Kyushu Sumiden Seimitsu Ltd. certified in June, 2006
  • Hokkaido Sumiden Precision Co., Ltd. certified in July, 2006
  • AXISMATERIA LTD. certified in May, 2007
  • Tokai Sumiden Precision Co., Ltd. certified in June, 2008