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Cosmetic skin care products or other food once opened all have certain life, must be used within the period of validity, but often people will forget their own unpacking date after devanning, and merchants also unpredictable, and consumers to purchase and the date of the devanning, so the product of the scratch sticker design, scrape the devanning date through stick on the surface, have the effect of a prompt for the consumer
Zhejiang University of Finance &
Economics Dongfang College
Haining, Zhejiang, China, China
Zhejiang University of Finance & Economics Dongfang College