I did a search about Riva the findings not giving me any hope! I don’t think they pay. https://www.glassdoor.com.au/Reviews/Riva-Digital-Reviews-E1091820.htm
PEK Shenghe holds one-fifth of Peak Rare Earths, and using that weight, has scrapped a superior takeover offer
MTM Metallium to combine recycling tech with TSXV-listed Ucore in bid for US REE supply chain dominance