If used in cards and membership cards will be making a calendar, varieswith temperature to render different colors, is a very lively, development of a new ink materials.

 
  • 如果用于制卡和会员卡制作日历,将会随着四季温度的变化而呈现不同的色彩,是一种很有生命力、有待开发的新型油墨材料。
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