Driving innovation with
sustainable clean energy
Driving innovation with
sustainable clean energy
Powering Future Sustainably
Powering Future Sustainably
tonnes of polysilicon annually
tonnes of polysilicon annually
power
power
manpower
manpower


Driving innovation with
sustainable clean energy
Powering Future Sustainably

About Us
Pioneer in high-purity polysilicon, powering global sustainability through R&D-driven excellence
Pioneer in high-purity polysilicon, powering global sustainability through R&D-driven excellence
Pioneer in high-purity polysilicon, powering global sustainability through R&D-driven excellence
Who We Are
OCI TerraSus drives sustainable clean energy growth since 2017
What We Do
Meeting growing demands of global clean energy
Message by CEO
With focus on innovation, sustainability, and operational excellence, OCI TerraSus delivers trusted solutions for global industries
Business Strategy
Driving resilient, responsible growth
through global partnerships & local impact
What We Do
Meeting growing demands of global clean energy
Message by CEO
With focus on innovation, sustainability, and operational excellence, OCI TerraSus delivers trusted solutions for global industries
Business Strategy
Driving resilient, responsible growth
through global partnerships & local impact
Three Pillars
Central to our strategy are three foundational pillars that define our identity and drive our performance
What We Do
Meeting growing demands of global clean energy
Message by CEO
With focus on innovation, sustainability, and operational excellence, OCI TerraSus delivers trusted solutions for global industries
Business Strategy
Driving resilient, responsible growth
through global partnerships & local impact
Three Pillars
Central to our strategy are three foundational pillars that define our identity and drive our performance
Media
Your source for news and updates
Your source for news and updates
Your source for news
and updates
OTSM and Invest Sarawak partner to drive Sarawak’s ambition as regional tech hub
8 August 2025
OTSM breaks ground on RM2 billion semiconductor-grade polysilicon plant
16 July 2025
OCI TerraSus to supply polysilicon for OCI Holdings' U.S. expansion
20 March 2025
Community Support Initiatives Demonstrating our Commitment to Sarawak Flood Relief
17 February 2025
OTSM and Invest Sarawak partner to drive Sarawak’s ambition as regional tech hub
8 August 2025
OTSM breaks ground on RM2 billion semiconductor-grade polysilicon plant
16 July 2025
OCI TerraSus to supply polysilicon for OCI Holdings' U.S. expansion
20 March 2025
Community Support Initiatives Demonstrating our Commitment to Sarawak Flood Relief
17 February 2025
OTSM and Invest Sarawak partner to drive Sarawak’s ambition as regional tech hub
8 August 2025
OTSM breaks ground on RM2 billion semiconductor-grade polysilicon plant
16 July 2025
OCI TerraSus to supply polysilicon for OCI Holdings' U.S. expansion
20 March 2025
Community Support Initiatives Demonstrating our Commitment to Sarawak Flood Relief
17 February 2025

Powered by purpose, driven by sustainability
tonnes of
polysilicon annually
power
manpower


Powered by purpose, driven by sustainability
tonnes of
polysilicon annually
power
manpower


Powered by purpose, driven by sustainability
tonnes of
polysilicon annually
power
manpower
