Indonesia: Cement production in Indonesia fell by 8.0% year-on-year in September 2025 compared to September 2024. Volumes fell from 6.24Mt to 5.74Mt, according to data from the Asosiasi Semen Indonesia (ASI). Blended cement accounted for 4.10Mt (71% of production), with ordinary Portland cement (OPC) accounting for 1.64Mt (29%).

The nation’s cement producers sold 6Mt of cement in September 2025, 1.3% less than the 6.07Mt sold in the same month of 2024. All regions of the country experienced a decline in sales, with the sole exception of Bali-Nustra, which noted a 16.3% rise in despatches.

The biggest regional market, Java, saw despatches slip by 0.3% to 3.11Mt from 3.12Mt in September 2024. The next biggest region, Sumatra, saw a fall of 3.5%, from 1.36Mt to 1.31Mt. Despatches in the third-largest market of Sulawesi were down by 2.2% from 0.49Mt 0.48Mt.

In partial compensation for falling domestic sales, cement exports rose by 11.0% in September 2025 relative to a year earlier. Volumes rose from 90,400t to 100,350t. Top export markets, in descending order by volume, were East Timor, followed by the Maldives, the Philippines, Taiwan and Papua New Guinea. Small amounts of clinker were also exported, primarily to Bangladesh, Taiwan, Angola, Ghana, Sri Lanka and Mozambique.