Hanrui Indonesian Nickel Smelter Nears Completion With Hot Commissioning Start

Hanrui Indonesian

Hanrui Indonesian nickel smelter development has moved into hot commissioning, signalling that Nanjing Hanrui’s delayed nickel matte project in Central Sulawesi is nearing completion. The Chinese cobalt producer launched the commissioning phase on 10 April at the Huabao Industrial Park in Morowali.

The Hanrui Indonesian nickel smelter is designed to produce 20,000 t/yr of nickel matte on a nickel metal equivalent basis. The project will use oxygen-enriched continuous blowing technology to convert nickel feedstock into matte for downstream processing.

Hanrui Indonesian nickel smelter progress matters because Indonesia remains the centre of global nickel capacity growth. New matte projects help connect Indonesian nickel resources with battery materials supply chains, especially where producers need feedstock for nickel sulphate and other battery-grade products.

Hot Commissioning Marks Final Step Before Commercial Output

Hot commissioning means production lines are being tested under operating conditions before full commercial production begins. This stage is important because it tests equipment integration, process stability, safety systems and product quality.

Hanrui had originally planned to start production in May 2025, but later deferred the schedule to March 2026. The start of hot commissioning now suggests the company is moving closer to operational readiness after earlier delays.

The project’s location in Morowali gives Hanrui access to one of Indonesia’s most important nickel industrial clusters. Morowali has become a major processing centre for Chinese-backed nickel investments, supported by integrated infrastructure, smelting capacity and downstream materials ambitions.

Chinese Producers Expand Nickel Matte Capacity in Indonesia

Hanrui’s project forms part of a broader Chinese investment wave in Indonesian nickel processing. Chinese companies are building matte, mixed hydroxide precipitate, ferronickel and other nickel products to serve both stainless steel and battery markets.

Huayou has also started construction of its Huaxing nickel matte project at the Indonesia Pomalaa Industry Park. That project is planned for 40,000 t/yr of nickel matte on a nickel metal equivalent basis, although Huayou has not disclosed its construction timeline or start-up date.

The expansion of nickel matte capacity gives Chinese producers more flexibility in feedstock flows. It also strengthens Indonesia’s position as a processing base, not only an ore supplier.

However, new capacity still faces execution risks. Power supply, sulphur availability, environmental controls, commissioning performance and market prices will determine how quickly these projects move from nameplate capacity to stable commercial production.

The Metalnomist Commentary

Hanrui’s hot commissioning shows that Indonesia’s nickel buildout continues despite delays and market uncertainty. The strategic issue is whether new matte capacity can ramp smoothly enough to support battery supply chains without adding further pressure to an already competitive nickel market.