PT Gunawan Dianjaya Steel, Tbk. (GDS) was founded in 1989 in Surabaya. The establishment of the company was registered under Jamie Nahdi, SH notarial deed No. 6 dated April 8th, 1989 and approved by the Ministry of Justice of the Republic of Indonesia under Decree No. C-2.11174. HT.01.01.Th.1989 dated December 11th, 1989. In 2004 the status of GDS has been changed into Foreign Capital Investment in accordance with the Letter of Approval from Capital Investment Coordinating Board No. 15/V/PMA/2004 dated February 26th, 2004.

The Company’s Articles of Association was amended several times. The last change was registered in a notarial deed of Dian Silviyana Khusnarini, SH. No 14 dated November 24th, 2015 about the adjustment to Indonesia Financial Authority. The act is authenticate by Minister of Law and Human Right Republic of Indonesia number AHU-0947967.AH.01.02. Year 2015, dated December 15th, 2015.

In accordance to the Articles of Association, the Company scope of activities is hot rolled steel plate industrial milling. Located in an area of approximately 20 hectares, GDS commenced its commercial production since the end of 1993 to serve the domestic and export markets.

Since its establishment, GDS continue fulfill the commitment on sustainable growth through on-going innovation. Supported by advanced Four High Rolling Mill technology and qualified human resources, GDS always ready to face the global challenges of the steel industry. Until today, GDS is one of the leading steel plate rolling mill industries in ASEAN region.

To be the most advanced hot rolled plate rolling mill in ASEAN, which consistently hold strong commitment upon product quality and delivery time.

To conduct transparent and accountable company management coupled with sustainable improvement in human resource competency and production technology in the most efficient manner.


The Company realizes a commitment to promote social and environmental concern by performing numerous activities that provide added value to surrounding community and the environment. Within 2015, the Company has spent Rp 1.8 billion for these activities.


The Company is participated to maintain safety, health and surrounding environment. As part of its commitment, the Company has an EIA (Environmental Impact Assessment) study. The Company has built a domestic sewage treatment plant, a temporary management of solid waste and of oil filter installation (oil trap). The Company also undertakes reforestation as an effort to address the immediate impact of the Company's operations. In relation with the expansion of 2nd Plate Mill construction, the Company also makes changes to the EIA, and has been approved by relevant agency. The EIA changes consist of 3 EIA types, including EIA Traffic, EIA Drainage and EIA Environment.

Testing air quality emissions, air quality ambience, and the air quality around the Company's working environment are also carried out periodically by the Department of Labor Unit K3 East Java Province. In addition, the Company routinely tests solid waste, liquid waste and water monitoring wells, which were conducted by Center For Environmental Health Engineering Ministry of Health.


The Company has a working unit Occupational Health and Safety (K3). The Company also re-test of the technical equipment (cranes, forklifts, lift and lightning rod), and since December 2014 has implemented K3 Management System (SMK3) and obtain SMK3 certification after passing K3 audit process by PT Surveyor Indonesia.


As a form of engagement on social and community development, the Company has implemented the use of a work force comprised of residents in the vicinity of the Company and routinely accepts skilled Senior High School students for working practice in Mill.


To be able to enter the global and national market, also to guarantee that the products are acceptable by the market, the Company has obtained certification and standardization of steel plate products, both the national standard (SNI), Indonesia Shiping Standard (BKI), and international standards (ABS, RINA, Germanischer Lloyds, DNV, TUV, Korean Standard, SIRIM, Class NK, FPC and CE). Therefore, the steel plates produced by the Company can be accounted for in terms of safety and quality.

The Company has also obtained quality management certificate ISO 9001:2008 published by Lloyd’s Register.

Awards & Certifications

GDS has been certified by ABS, BKI, BV, DNV, GL, KR, LR, NK and RINA, also by other international certifications such as CE, LRQA, TUV, FPC, PCP and SIRIM.

In 2015, the Company acquires SNI Certificate from Surabaya Industrial Research and Standardizing Bureau – Product Certifying Committee, valid until November 19, 2019 and Letter of Appreciation in implementing Occupational Health and Safety Management System, valid until 2018.

General Certificate (in 2003)
General Certificate (in 2003)
General Certificate (in 2003)
General Certificate (in 2003)
General Certificate (in 2006)
General Certificate (in 2006)
General Certificate (in 2006)
General Certificate (in 2007)
Occupational Safety & Health Management System (in 2015)
SNI Certificate (in 2015)
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