Chandra Asri Group has increased the production capacity of its Methyl Tert-butyl Ether (MTBE) and Butene-1 (B1) plants by 25% as a strategic step to accelerate import substitution efforts and strengthen the resilience of Indonesia’s petrochemical industry. The facility, located within the company’s integrated complex in Cilegon, has been operating optimally after successfully completing a series of technical trials at the end of February 2026. As the sole domestic producer of these two strategi