Established in 1970 in Medan, North Sumatra, our company started the business by producing hot steel. Gradually, as the company grow, we produce beams, and steel sheets.
In 1991, PT Gunung Naga Mas transformed into PT Gunung Raja Paksi (GRP), producing steel sheets. With more than 48 years of experience in the steel industry, we can produce 2,800,000 tons of steel annually, which is produced from a wide range of hot steel products. The GRP surveillance laboratory is equipped with the latest testing machines and facilities to maintain quality according to international standard tests. This laboratory is also certified by local and international certificate organizations.