Leading Nickel Company
Obsidian Stainless Steel
The largest nickel company

What We DO?
For All Businesses
PT Obsidian Stainless Steel is a subsidiary company of Xiangyu Group and Delong Group, engaged in nickel smelting and stainless steel manufacturing. The production line is located in Southeast Sulawesi, Indonesia and headquartered in the Indonesia Stock Exchange Building, Jakarta.
- Nickel Smelting – Reduction Kiln-Electric Furnace (RK-EF) Technology.
- Stainless Steel – Argon Oxygen Decarburization (AOD) Technology.

Nickel Smelting
Reduction Kiln-Electric Furnace (RK-EF) Technology

Stainless Steel
Argon Oxygen Decarburization (AOD) Technology
OSS
Nickel Smelting and Stainless Steel Manufacturing