Pamapersada Nusantara
Holda Irawan is currently working as a Mine Design & Scheduling Expert at Pamapersada Nusantara. Previously, Holda has experience working as a Pit Engineer at PT Hasnur Jaya Utama and as a Mine Engineer at PT ISCO Polman Resources. Holda's educational background includes a Bachelor of Engineering in Mining Engineering from Universitas Pembangunan Nasional Veteran Yogyakarta. Holda has also worked in various roles such as Field Supervisor, Laboratory Staff, and Junior Mechanic.
Pamapersada Nusantara
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PT Pamapersada Nusantara (PAMA) is a wholly-owned subsidiary of PT United Tractors Tbk, a major distributor of Komatsu heavy equipment in Indonesia. PT Astra International Tbk, the major shareholder of PT United Tractors Tbk, is one of the largest and most respected companies in Indonesia. The embryo of PAMA has commenced since 1974 in form of rental division at PT United Tractors, which engaged in construction project, mining and oil project, land preparation and logging. In 1993 this division changed into an independent company named PT Pamapersada Nusantara. Currently PAMA actively manages numerous coal mines. PAMA has also own some subsidiaries, under the name of PT Kalimantan Prima Persada (KPP) and PT Prima Multi Mineral (PMM).