KONTAN.CO.ID - JAKARTA, July 14 - Indonesia's PT Amman Mineral Nusa Tenggara, the main unit of Jakarta-listed PT Amman Mineral Internasional, aims to double its copper cathode output this year after it finished ramping up production at its smelter, its chief executive said on Tuesday.

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In 2026, the company plan to produce 162,662 dry metric tons of copper cathode, up from 79,848 ton in 2025, its CEO Rachmat Makassau told a parliamentary committee.

The company will also produce 16,119 kg of gold and 45,439 kg of silver this year, and plan to produce 572,036 dry metric tons of sulphuric acid, he added.

Amman completed its copper smelter ramp-up in April, after a few leakage incidents last year that forced the company to restart the commissioning of its smelter, Rachmat said.

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"As of June 2026, we ⁠are able to process all of the output from the mine ... We are confident that all (copper) concentrate produced by the mine this year can be fully absorbed," he said.

He added in December or January, the company plans to do another shutdown of the ⁠smelter to conduct more repairs.