Thank you for visiting this website and for your interest in our products. Please read this Legal Notice carefully before using this website.
Content contained on this website is provided by Sumitomo Electric Hartmetall GmbH ("Sumitomo") and the Sumitomo Electric Group as a service to its customers and may be used for informational purposes only. By accessing this website you agree to the following terms. If you do not agree to them, you may not use this website.

Responsible for the content of this site:

Konrad-Zuse-Str. 9, 47877 Willich / Germany
Phone:  +49 2154 4992-0
Fax:      +49 2154 4992161

Managing Director: Shinya Uesaka, Atsushi Murayama, Koji Kimura
Tax ID: DE 119111333
Local Court Krefeld - HRB 3226 Jurisdiction Krefeld / Germany

We specially disassociate from all contents of all sites that are linked from, and do not take possession of these contents. This declaration is valid for all links on this website.

Please see our general terms and conditions. Initiates file download


All content as well as photos, graphics, videos and texts are protected by copyright. They may be changed not without previous written approval neither completely nor in extracts copied, be multiplicated or be published. All rights reserved.

This website has been compiled with the greatest possible care. Nevertheless, our company cannot guarantee the correctness and accuracy of the information contained therein. We exclude any liability for damages arising directly or indirectly from the use of this website, insofar as these are not based on intent or gross negligence on our part.

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Data protection

We collect and process personal information only to the extent necessary to:

  • enter into, perform or terminate a contract
    We will use your contact details and any other information we might need for the purpose of establishing, implementing and terminating contractual obligations between you and ourselves.
  • exercise or protect our legitimate interests
  • meet our legal obligations, a court order or a binding decision
    We may process your personal information for tax, accounting and other legal obligations, for example, in the context of commercial transactions. We will also process your personal information if compelled by court order or by a binding decision.
  • conduct or achieve a purpose for which you provided your express consent to us, with the safeguard that you can withdraw your consent at any time by communicating this to The withdrawal will only have effects to the future.

When you visit our website your browser automatically transmits the IP address of the device you are using, information on your web browser, the operating system you are running, the referrer URL (i.e., the URL of the website you visited prior to visiting one of our website), the date and the time of your visit. This data is temporarily stored in log files on the server. We or our providers only use this protocol data for statistical analysis for the purpose of the operation, security and optimisation of our website. In the event of any concrete suspicions, we will further analyse this data to track possible cases of abuse and/or illegal use of our website. However, data is not attributed to specific individuals and is not merged with data from other data sources.

In addition, we may use personal information you provided to us to enforce out terms of use and legal notices and for the establishment, exercise or defence of legal claims against us or a Sumitomo entity.

We may also use your personal information we hold on you in the context of a corporate transaction (e.g., corporate restructuring, sale or assignment of assets, merger).

Sumitomo will keep the personal information only as long as necessary to fulfil the purpose for which it was collected, unless it is required by law, or pursuant to an order issued by the regulator or court order, to keep the personal information for a longer period.

Sumitomo also engages a range of third parties to provide services and perform business support functions for us. Some of those third parties need access to personal information in order to provide the services or perform the functions Sumitomo requires. Where we share your personal information with third-party service providers, they will be contractually bound to use the information only for the purposes of providing the services or performing the functions required by Sumitomo and to store the information securely.

Sumitomo group companies operate in various countries all around the world, including Japan, China, South Korea, India, Malaysia, Egypt, Morocco, South Africa, Tunisia, United Arab Emirates, Cambodia, Indonesia, Philippines, Thailand, Myanmar, Vietnam, Singapore, Hong Kong, Taiwan, Australia, Russia, USA, Brazil, Canada, Mexico, United Kingdom and in multiple European countries.

As Sumitomo is part of a global organisation, we may from time to time transfer personal information to a Sumitomo company located in another country, including in countries outside of the European Economic Area. These countries may not have the same data protection legislation than your own country.

As indicated, we also engage a range of third parties to provide services and perform business support functions for us. Some of those third parties are located outside of the European Economic Area in countries that may not have the same data protection legislation than your own country.

Please note that where Sumitomo transfers personal information to a Sumitomo company or third party service provider located outside of the European Economic Area, we will take the appropriate steps to ensure that the information is only used for purposes permitted under this website privacy policy, and is given the same protection as it has in the European Union. Where required by applicable law, Sumitomo will put in place the appropriate contractual safeguards to guarantee that your personal information remains protected.

Making contact

Personal data are collected if and when you make contact with us (e.g. by email). These data are stored and used exclusively for the purpose of dealing with the matter you raised or for making contact and for the technical procedures associated therewith. The legal basis for the processing of the data is our legitimate interest, under article 6 (1) letter f) GDPR, in dealing with the matter you raised. If your making contact is aimed at concluding a contract, there is an additional legal basis for the processing: article 6 (1) letter b) GDPR. Your data are deleted after processing of your enquiry has been completed. This is the case if the circumstances make it apparent that the matter in question has been finally settled, except where statutory data retention requirements provide otherwise.

How to contact us

If you have any questions or comments about this Cookie Policy, please contact us by email at: