Alpha HPA (ASX:A4N) advanced works for the delivery and expansion of the HPA First and Alpha Sapphire projects in Queensland in the quarter ended June 30, according to a Wednesday filing with the Australian bourse.

The company is currently producing high-purity aluminum materials at its HPA First stage one facility, which supplies production-scale test materials for the customer qualification process, the filing said.

Additionally, it supports current customers with small-scale sales before the start of stage two, which is under construction at the same site.

The company also continued sapphire sales to the sapphire optics sector and expanded sapphire wafer orders to support semiconductor qualification, per the filing.