With more than 50 years of experience in the steel industry, we have the ability to produce 2,200,000 tons of steel annually, produced from large-scale hot sheet steel products. Quality control laboratory of PT. Gunung Raja Paksi Tbk (GRP) is equipped with the latest testing machines and facilities to maintain quality according to international standard tests. The laboratory is also certified by local and international certificate organizations. In providing products that have added value to consumers, GRP installs a Normalization machine, Ultrasonic Test, etc. This additional facility owned by GRP is the only one available in Southeast Asia.