Thailand's Siam Cement freezes Vietnam petrochemical plant over Iran war
Thai chemical giant Siam Cement has frozen construction of its Vietnam petrochemical plant due to the Iran war. The move reflects regional concerns over Strait of Hormuz supply disruptions and the chemical sector's fear of energy cost shocks. Investment delays are mounting across Asia.
Siam Cement's decision to freeze the Vietnam petrochemical plant reflects energy price uncertainty from the war. Petrochemical operations are highly sensitive to raw material costs and energy price swings. The partial closure of the Strait of Hormuz has disrupted global chemical supply chains.
Japanese companies are similarly affected. Mitsui, Marubeni, and other trading companies are cautious about data center and factory projects amid energy cost uncertainty. The Japanese yen, sought as a safe haven, is strengthening, meaning Japan faces currency appreciation pressure.
As investment momentum slows across Asia, Suez Canal supply chains also face war-related risks, significantly slowing global supply chain velocity. Energy-intensive sectors in Thailand, Malaysia, and Singapore are reviewing relocation plans.
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