Gel pen is a novel-writing tool that is currently popular in the world. It has a comfortable writing feel and low ink viscosity.
1. The gel pen originated in Japan. The end lithium ester is used to seal the organic material of the neutral ink in the ink tube. The excellent lithium ester enables the gel pen to maintain good moisture retention even when the temperature changes greatly. Seal to prevent ink evaporation or backflow overflow.
2. Although the neutral ink pen belongs to the ballpoint pen product, its writing principle, pen tip structure, processing technology, etc. are similar to traditional oily ballpoint pens. At present, Japan, the United States, Germany, South Korea, and other countries produce neutral inks. Is the best.
