State nickel producer Vale Indonesia (INCO) and state miner Aneka Tambang (ANTM) plan to expand nickel smelters with high-pressure acid leach (HPAL) technology for processing low-calorie nickel ore. Vale plans to build a nickel smelter in Pomalaa, Southeast Sulawesi, expected to complete construction in 2025. This project costs US$2.5 billion, equivalent to Rp36.75 trillion. 

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