OCI TerraSus
(10 reviews)
Company Profile
Company overview
Website
Industry
Chemicals & Plastics Manufacturing
Specialities
Manufacturing, Global Green Energy, Chemical Company
Company size
101-1,000
Primary location
Lot 600, 6th Floor, Wisma Bukit Mata Kuching, Jalan Tunku Abdul Rahman, 93100 Kuching, Sarawak
As a wholly owned subsidiary of OCI Holdings, OCI TerraSus (formerly OCI M) has established itself as a leading force in the global green energy sector. Specializing in the production of high-purity solar-grade polysilicon with an impressive annual production capacity of 35,000 tons, our facility plays a crucial role in the manufacture of silicon wafers and photovoltaic cells.OCI TerraSus is committed to advancing innovation in renewable energy. Through significant investments in research and development, we are driving the transition to sustainable energy solutions, reducing global dependence on fossil fuels, and contributing to a cleaner, more sustainable future for generations to come.
Our mission statement
• Leading the green energy revolution, Powering the world with viable alternative• We power a brighter tomorrow to keep homes and businesses running 24/7
Featured
Heart of global green energy revolution 
Step into the heart of a global green energy revolution with OCI TerraSus Sdn Bhd. We’re the driving force behind cutting-edge solar technologies and advanced materials that power industries worldwide. Ready to join a company that makes waves in green innovation?
Awards and accreditations
11th Premier of Sarawak Environmental Award (Gold Award) 2024
Gallery photos
Reviews overview
4.010 ratings in total
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What’s it like working at OCI TerraSus?
AI summary of recent reviews
OCI TerraSus provides a positive environment for professional growth, with employees highlighting the excellent learning opportunities and exposure to various work aspects. The company culture is characterised by supportive colleagues and good teamwork, while maintaining a healthy work-life balance through standard working hours and flexible shift patterns.
However, employees face some challenges, particularly with language barriers between local and Korean/Japanese staff, which can impact communication and collaboration. There are also concerns about career advancement opportunities and their dependency on management relationships. Some employees have noted concerns about workplace safety and exposure to hazardous conditions.
Recent reviews
5.0
Engineer
Feb 2026Bintulu Sarawak8 to 9 years in the role, current employee
Expose to multiple process units including utilities which provide ample engineering experience.
The good thingsAlot of engineering experience. Just a matter of how willing you are to take the lead and charge.
The challengesDon't expect to be spoonfed on becoming an engineer. Alot of exposure relies on own initiative and taking oppurtunities
5.0
Truck Driver
Sep 2025Kuching SarawakLess than 1 year in the role, current employee
This is for example to outstation driver
The good thingsResponsibility,hardworking
The challengesDelay in side truck in 1 or 2 week
5.0
General Manager Production
Aug 2025Bintulu Sarawak1 to 2 years in the role, current employee
knowledgeable experience working with different cultures and friends
The good thingsgood culture and good environment
The challengesdistant from home to factory
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