Website Terms of Use

This website is run by Sumitomo Metal Mining (SMM). Please read the conditions noted below prior to using the website, and only use it if you agree with the conditions. Please understand that if you use this website, it will be deemed that you have agreed to all of the conditions below. The terms of use of the SMM website are subject to change as necessary.


  1. When publishing information on this website, SMM does its utmost to ensure the information is accurate. However, in the event that the information is erroneous, SMM shall bear no responsibility whatsoever. SMM shall also bear no responsibility whatsoever for problems, losses, or damage that occur as a result of using this website, including problems caused by the tampering with or downloading of data or other such actions by third parties and damage resulting from the suspension or halt of operation of this website, etc.
  2. While some areas of this website provide information relating to future business results and other such matters, this is for the convenience of investors and other parties and is not intended as a solicitation for investment. The business forecasts and business plans published on this website are created on the basis of the economic situation, market trends, and other such factors at the time of creation. Actual business results may vary from such forecasts due to a range of factors. When investing, please refrain from basing your investment judgements entirely on the information on this website, and please make decisions relating to investments on the basis of your own judgment.
  3. Except where legally required to do so, SMM shall be under no obligation to publish modified versions of the forecasts on this website in light of new information and future events.

Links from the SMM website

This website contains links to websites owned and run by third parties. Please note that such links are only provided for your convenience, and SMM neither guarantees nor takes any responsibility for the content of the websites linked to.

Links to the SMM website

When linking to this website, please pay attention to the following.
SMM does not permit linking from websites with commercial objectives or websites that run contrary to public order and morals.

  1. Please use the URL (top page) when linking to the SMM website.
  2. When linking to this website, please note the company name as Sumitomo Metal Mining Co., Ltd.

Recommended operating environment

The following environment is recommended when viewing this website.
Some pages can be viewed in a format optimized for smartphones.

Recommended operating systems/platforms

PC Windows: Windows 10
Mac:macOS 10.15
Android Android 9 or later
iPhone iOS 13 or later
iPad iOS 13 or later

Recommended browsers

PC Windows: Internet Explorer11, latest version of Edge, latest version of Chrome
Mac: Latest version of Safari, latest version of Chrome
Android Standard browser, latest version of Chrome
iPhone Latest version of Safari, latest version of Chrome
iPad Latest version of Safari, latest version of Chrome


This website uses JavaScript in order to provide a smoother experience to users. If JavaScript is disabled in your browser, pages may not be displayed correctly or may not function properly. Thank you for your understanding.


This website uses cookies in order to provide a smoother experience to users. A “cookie” is digital data that is sent from the web server to a website user’s device when the user accesses the website, and is stored in the browser used or on the device.
Cookies on this website do not gather personal information about the users of the website or information that can identify an individual.
Users of this website can configure their browser to reject cookies. While you can still use this website even if cookies are rejected, pages may not be displayed correctly or may not function properly. Thank you for your understanding. Check with your browser’s provider regarding how to configure settings.

This website uses Google Analytics in order to record an access log.
Google Analytics uses cookies to gather information which does not include information that can be used to identify an individual.*1 Information gathered by Google Analytics is managed on the basis of Google’s privacy policy*2. Google Analytics can be disabled with the Google Analytics Opt-out Browser Add-on*3 provided by Google.

*1Google Analytics Terms of Service

  • *2Google privacy policy
  • *3Google Analytics opt-out browser add-on


Some of the data on this website is provided in PDF format and Excel format.
Please install the required plugin if you wish to view this data.

Plugin for PDF files
Adobe Reader

Plugin for Excel files
Microsoft Office

Copyrights, trademarks, etc.

Copyrights, trademark rights, and all other intellectual property rights for content on this website (text, photographs, images, etc.) belong to SMM or other rights holders. SMM does not grant the right to use this intellectual property simply by publishing it on this website. Except in cases where permitted by the Copyright Act or other laws, the use of this intellectual property (including copying, altering, posting, sending, distributing, etc.) by users without the prior permission of SMM is prohibited.

Laws complied with/legal jurisdiction

Use of this website shall comply with the laws of Japan. The Tokyo District Court shall be the court of first instance for any dispute related to this website.