As you mentioned already, Russian suspension agreement has been in effect in one form or another since I think 1992 and came out of an anti-dumping action started by U.S. uranium producers back brand Cameco is U.S. uranium mining subsidiaries, power resources in Wyoming and resources in Nebraska, have been active participants in the discussions and negotiations concerning the RSA since auctioned back then, and that continues today.
Take context from the input text and decide on the accurate relationship between 'Cameco' and 'uranium' from the options provided.
Options: product/material produced, location of formation, industry, stock exchange