用于测试各类印刷膜材的质量，使用户能及时调整，避免误印，准确度高。
产品规格：38、40、42、44......54度(英国舒曼；国产达因笔)
【Sherman treaters】Dyne pen For testing the quality of all kinds of printing membrane material , use the family to adjust in time, avoid printing by mistake , accuracy is high.
Product specification: 38, 40, 42,44...54 degrees
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