The compact battery in Apple’s iPods relies on a polymer made by Kureha, which holds 70% of the market, and whose factory was damaged.

苹果的iPod中的袖珍电池依靠日本吴羽制造的一种聚合物，这种聚合物的市场占有率为70%，而制造这种聚合物的工厂也被毁了。

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The compact battery in Apple's iPods relies on a polymer made by Kureha, which holds 70% of the market, and whose factory was damaged.

ECONOMIST: Japan and the global supply chain