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Gel Ink Pen

Jan 20, 2017

Writing medium viscosity of aqueous and oily ballpoint pen gel ink pen; gel originated in Japan, is the internationally popular novel writing tool. Gel pen combines the advantages of fountain pen and ballpoint pens, comfortable writing, Ink viscosity and increase the easy lubrication material, and more smooth than ordinary oily ball-point pen, an oily ball-point pen and upgrading products.