BUMA Australia Pty Ltd (BUMA Australia) BUMA International Group DOID Perpanjangan Kontrak Tambang Goonyella Riverside PT BUMA Internasional Grup Tbk PT Bukit Makmur Mandiri Utama (BUMA) Mitsubishi Alliance (BMA) Blackwater Operations Pty Ltd TEC Coal Pty Ltd Whitehaven Coal Mining Limited kontrak kerja pertambangan

PT Delta Dunia Makmur Tbk Delta Dunia Group DOID future-facing commodities akuisisi Perpanjangan Kontrak Operasional Whitehaven Coal Mining Limited Blackwater Operations Pty Ltd Saham Tambang Blackwater Australia Atlantic Carbon Group Inc. (ACG) produksi baja rendah karbon komoditi aksi korporasi kinerja perusahaan EBITDA