PT Gunawan Dianjaya Steel Tbk functions as a key Indonesian producer and seller of hot-rolled steel plates. The company delivers a comprehensive array of steel plates suitable for diverse applications, encompassing general structural use, boilers and pressure vessels, and shipbuilding, which includes both mild and high tensile steels. With operations serving both the Indonesian market and international clients across regions like Asia, the Middle East, Europe, America, and Australia, it stands as one of the leading hot-rolled steel plate manufacturers in the ASEAN region. Founded in Surabaya, Indonesia in 1989, the firm remains based in its original East Java location.