Why do Kao diapers have U and E?

U and e represent different places of origin respectively.

A string of numbers at the bottom of Kao diapers packaging starts with three kinds of UE, representing three different places of origin.

1. The products produced by Japanese assembly lines exported to China begin with S, and the channel agent is Shanghai Daily Chemical, which is mostly sold in supermarkets and maternal and infant stores in China. Kao meets China's import standards and is allowed to contain a small amount of fluorescent agent.

2. Made in Japan and sold exclusively in local supermarkets in Japan. The batch number starts with E and U, where E is from Osaka and U is from Tokyo. This is a first-class product, and its quality is better than that exported.

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