Built on experience.
Growing through innovation.
More than five decades of hot rolled steel plate manufacturing experience, driven by technology, quality and continuous development.
Steelmaking experience.
Built in Surabaya.
Established in 1989 in Surabaya, Indonesia, PT Gunawan Dianjaya Steel Tbk (GDS) is an established manufacturer of hot rolled steel plates serving customers across Indonesia and international markets.
Since commencing commercial production in 1993, GDS has continuously developed its manufacturing capabilities, technical expertise, quality systems and production capacity to respond to the evolving requirements of industry.
More than five decades
of steel manufacturing.
Operating from an integrated manufacturing facility covering approximately 20 hectares in Surabaya, GDS manufactures hot rolled steel plates for applications across construction, structural steel, shipbuilding, heavy equipment, boilers and pressure vessels.
Supported by Four High Rolling Mill technology, modern production facilities and experienced people, we focus on consistent product quality, reliable service and continuous improvement.
Built over decades.
Moving forward.
From a Surabaya steel plate manufacturer to a publicly listed company with expanded production capability, each milestone has strengthened GDS for the next stage of growth.
PT Gunawan Dianjaya Steel Tbk was established in Surabaya, Indonesia.
GDS commenced commercial production of hot rolled steel plates.
GDS became a Foreign Capital Investment (PMA) company.
GDS was listed on the Indonesia Stock Exchange under ticker GDST.
Two production lines and expanded capacity strengthen our ability to serve domestic and international markets.
Capability that supports
customer confidence.
GDS continues to strengthen its manufacturing and quality capabilities in line with internationally recognized standards. Management systems, laboratory capabilities, product certifications and classification-society approvals support our commitment to consistent quality.
Continued investment in technology and access to international markets help us respond to diverse customer specifications across Indonesia and beyond.
Explore quality & capability ↗Experience is our foundation.
Progress is our direction.
We continue to invest in people, technology, quality, safety, environmental responsibility and operational excellence to build a stronger and more sustainable steel business.