No secret clients for Rio TintoRio Tinto's Labrador operations indicated in an info in March 2022 that they had purchased 4 torches in 2021. This dovetails with PYR's Client +++ announcing a sale on or about the same time. RT must have bought PYR torches. If the buyer is not keeping it a secret, why would the seller?
https://www.newswire.ca/news-releases/labrador-iron-ore-royalty-corporation-2021-results-of-operations-858872989.html