A well-sealed can can effectively isolate oxygen and moisture, preventing biscuits from oxidation and deterioration and moisture absorption and deliquescence. According to relevant research data, if stored in a dry, sealed tinplate can, the shelf life of biscuits can be extended to 12 months or even longer.

some leading printing tinplate companies have introduced digital inkjet printing technology, which can achieve high-precision pattern printing on the tinplate surface and can be personalized to meet the needs of different customers.