Trade Description: The product is a special polymer material as the ink base material, assembled by a special process. In the writing process, the ink through the nib on the paper to form a layer of paint film can be rubbed, you can wipe the ink, the ink can be used in an ordinary eraser 8-12 hour off, two days after the ink and paper fibers gradually after crosslinking on the indelible, and also light fastness, resistant to moisture, do not fade, long-term preservation. Our production of sub-gel pen, ink, imported ink, with a fragrance, bullet head nickel and copper by semi needle to make writing more fluid, ink, one with in the end, the ink level foot.