ASP Isotopes Inc. (NASDAQ: ASPI) ("ASP Isotopes" or the "Company"), an advanced materials company focused on developing technologies and processes for the production of critical materials used in multiple industries, today announced that Tetra4 Proprietary Limited, a subsidiary of Renergen Limited ("Renergen") and the developer of the Virginia Gas Project, has entered the commissioning phase of the Company’s liquid helium plant. The Virginia Gas Project holds South Africa's first onshore petroleum production right and is the country's first integrated producer of both liquid helium and liquified natural gas (LNG).