News Australia’s first large-scale high-purity alumina plant 31/12/2024 FacebookTwitterEmail Alpha HPA has reached a contractual close for $400 million to deliver Australia's first large-scale high-purity alumina plant. (Supplied/Alpha HPA) Alpha HPA recently announced that it has reached Contractual Close with Export Finance Australia (EFA) and the Northern Australia Infrastructure […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password