Welcome OSS Website

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About Obsidian Stainless Steel

Is an important project for the Belt and Road Project, also supports Indonesian Government’s development plan for accelerating economy, including “Nawa Cita” and “Poros Maritim Dunia”

Stainless Factory

Pioneer of Stainless Steel production in Indonesia with the latest and environmental friendly technology of AOD


OSS have complete production line from Nickel ore to NPI production with the latest RKEF technology to support Stainless Steel productions.

Team Work

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