Japanese snack giant Calbee is switching some of its product packaging to black and white due to supply chain disruptions caused by the Iran war. The conflict has impacted the availability of naphtha, a petroleum-based raw material essential for producing printing inks and plastics. This shortage has led to increased competition and higher prices for naphtha, forcing companies like Calbee to adapt their packaging strategies to ensure stable product supply. AI
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RANK_REASON The article discusses a packaging change due to geopolitical events impacting raw material supply, which is not core AI news.