Batu Hijau Expansion project, is located on the island of Sumbawa, specifically focusing on the SAG (Semi-Autogenous Grinding) Mill. It is a significant mining development associated with the Batu Hijau copper-gold mine in Indonesia. The Batu Hijau mine, is one of the major copper-gold mines in the world, operated by PT Amman Mineral Nusa Tenggara (AMNT).
