Suggestions and Complaints

We want to know your opinion: that is why we try to make it as easy as possible for you to send us your queries, suggestions and complaints. We offer you the following mechanisms:

  • Via the website: The easiest way to make your suggestions and complaints is by sending them to the address canaldedenuncia@mefasa.com. This way we will keep you informed of the progress of your communication.
  • In all of the above cases you can do so anonymously, and without any retaliation for using these mechanisms.
  • You also have the Glencore "Raising Concerns" mechanism at your disposal, at the address: https://glencore.raisingconcerns.org
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