A marker pen is also called a marker pen, a microphone pen. Permanently attached, non-decolorized, with standard 12 colors, can be written on any paper, plastic, glass, whiteboard, metal and other solids, the ink is oily, non-toxic, can be wiped off with organic solvents such as alcohol, and Similar...

According to the China pen making Association, there are a large number of enterprising entrepreneurs working hard for the development of the industry, the achievements of scientific and technological innovation, and the firm belief in building a big pen making country into a strong one. China's pen...