For its material, we used that was typical for because it is .
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Adherence to the design principle of makes possible the use of more .
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realizing the hope of .
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are likely to possess features like .
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Exquisite material selection, excellent workmanship, safe use, reliable quality, no trace of alteration, strong correction ability, can be applied to a variety of conventional pens, such as ballpoint pens, pencils, fountain pens, water-based pens, etc.