Established in 2017, PT Obsidian Stainless Steel (OSS) is an integrated stainless steel smelting project developed by XMXYG CORPORATION in Southeast Sulawesi, Indonesia, with an annual production capacity of 2.5 million tons. The project is listed among China's key Belt and Road Initiative projects and has also been designated as a National Strategic Project by the Government of Indonesia.

Creating Value Beyond Ourselves,
Thriving Together Through Shared Success
To Become a Globally Competitive,
Supply Chain-Driven Investment
Holding Group
Value Creation as Our Foundation.
Putting Risk First
Staying Market-Driven
Succeeding Together
Advancing Through Innovation
Staying Committed for the Long Term
To become a globally competitive and highly respected integrated stainless steel manufacturing enterprise.
Grassroots Spirit, Steel Will.
OSS actively contributes to local infrastructure development while fostering strong, mutually supportive, and trust-based relationships with surrounding communities. Since establishing its operations in the region, OSS has supported the construction of more than 50 kilometers of concrete roads and 16 bridges across the project area. Through various community development and social welfare initiatives, the Company remains committed to giving back to local communities, promoting sustainable regional development, and creating shared prosperity for a better future.
Improvement of People’s Well‑being
Creation of Sustainable Value
We believe that people are our most valuable resource and place employees at the center of our development strategy. Guided by the principle of “Respect Differences, Grow Together”.
- Talent as Capital
- Continuous Talent Development
- Prioritized and Sustained Investment in Human Capital
- Combining Discipline with Care