INDONESIA ROYAL RESOURCES (IRR) Group is a trade name of metal, mining and energy business based in Surabaya, Indonesia which delivers quality products to meet the global demand . Beginning from PT IMLI as the forerunner in 1988, we have grown into a global business with operations across Indonesia, and selling into worldwide.

Over the years, we have expanded our operations, and list our product on London Metal Exchange (LME). It is our commitment to customer satisfaction that enables us to grow our business. As part of our vision for a better future, the integrated of our supply chain, and environmental sustainability aspects are a key commitment in our productivity.

IRR Group is a business unit of Indoprima Group, started by Rianto Nurhadi from an automotive workshop named Mo Eng. In 1958, his hard work paid off when establish a spring factory for automotive. Then build a metal mining energy business unit starting from lead smelter called PT Indra Eramulti Logam Industri (IMLI). PT. IMLI focused on recycle battery scrap to be lead ingot. Then in 1991, IRR Group diversified its business by establishing PT Indolitharge Megahtama (ILMT) which produce Litharge (PbO). This underpins the expansion of IRR Group to develop into a global company.

The IRR Group has the following subsidiaries :
- PT. Indonesia Royal Resources
- PT. Indra Eramulti Logam Industri
- PT. Bukit Timah
- PT. Babel Inti Perkasa
- PT Hanwa Royal Metals
- PT. Tembaga Prima Indonesia
- PT. Indonesia Royal Paper
- PT. Kapuas Prima Citra
- PT. Indonesia Royal Energy
- PT. Indoprima Oil Nusantara
- PT. Asia Prima Resources
- PT. Bramantio Putera Pratama
- PT. Royal Nickel Smelting
- PT. Royal Nickel Nusantara
- PT. Prima Mineral Nickel
- PT. Royal Battery Powerindo
- PT. Greentech Prima Solusindo
- PT. Indo Metal Recycle

Indonesia Royal Resources Group

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