Graphene & Solar Technologies Limited engages in manufacturing solar grade and electronics-grade high purity quartz sand (HPQS). The company's HPQS is used for manufacturing photovoltaic silicon solar cells, various electronics, and semiconductor production materials. It also owns Quartz Hill and White Springs deposits located in North Queensland, Australia. The company was formerly known as Solar Quartz Technologies Corporation. Graphene & Solar Technologies Limited is based in Beverly Hills, California. Graphene & Solar Technologies Limited is a subsidiary of Phoenix Global Holdings, LLC.