FRD系列固体墨轮印字封口机在封口的同时印上生产日期和有效期等文字，字迹显明清晰，颜色可选，不易褪色，不易擦除和更改，瞬印，瞬干，换字方便。
      FRD series multi-functional film sealer (with solid inker printer) can be print the desired date simultaneously with sealing. With the characters and conspicuous, the colors are selectable and uneasy to erase and unchangeable, and instant and instant dry. It is convenient to change date letters.