The Group's principal activity is manufacturing cement. The types of cement manufactured are Type 1 Portland Cement (Ordinary Portland Cement - OPC ), Type II Portland Cement, Type III Portland Cement, Type V Portland Cement, Oil Well Cement (OWC), Super Masonry Cement (SMC), Prima Mixed Cement (PMC), Portland Pozzolan Cement (PPC) and Super Blended Cement (SBC). The Group's plants are located at Gresik and Tuban in East Java, Indarung in West Sumatera and Pangkep in South Sulawesi. Other activities are manufacturing cement bags, limestone and clay mining as well as developing industrial real estate. The Group's operations are carried out in Indonesia.
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