01
Perfection
Quality built into every plate.
From material preparation to finishing and inspection, every stage is managed with one objective: consistent steel plate our customers can rely on.
CONSISTENT QUALITY · EVERY PLATE
PT GUNAWAN DIANJAYA STEEL TBK · SURABAYA
Advancing Steel.Delivering with
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Advancing Steel.Delivering with
Confidence.
More than five decades of steelmaking experience, strengthened by evolving technology, disciplined processes and people committed to quality.
1989ESTABLISHED
1.2M MTANNUAL INSTALLED CAPACITY
20 haMANUFACTURING SITE
GlobalDOMESTIC & EXPORT MARKETS
OUR PRINCIPLES
Three principles.One commitment.
Quality is not a single checkpoint. It is the result of how we manufacture, how we control our processes and how we serve our customers.
02
Precision
Technology. Expertise. Control.
Advanced manufacturing technology, disciplined process control and experienced people work together to achieve consistency and dimensional accuracy.
PRECISION THROUGH PROCESS03
Satisfaction
Reliability beyond the plate.
We work to understand customer requirements, deliver reliably and build relationships that continue long after production is complete.
QUALITY DELIVERED · TRUST EARNED
ABOUT GDS
More than five decades of steelmaking.
Established in Surabaya in 1989, GDS has grown through continuous investment in manufacturing capability, technology and people.
Today, we manufacture hot rolled steel plates for a broad range of industrial applications, serving customers across Indonesia and international markets. Our development continues with the same principles that have shaped GDS from the beginning: quality, reliability and continuous improvement.
Products
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One material. Many critical industries.
Manufacturing
From slab to shipment-ready plate.
GDS production flow covers slab cutting, reheating, rolling, leveling, inspection, storage and shipment. Every stage is designed to maintain dimensional and quality consistency.
View production process →Investor Relations
Latest disclosures, one click from the homepage.
Latest Annual Report2025
Latest Financial Statement2026
Q2