Suitable for wool, knitting, woven, silk, silk, silk, worsted wool, cotton fiber, fiber, pile fabric, woolen cloth, textile and printing plate frame, glass plastic, woolen cloth, ceramics, ceramics, ceramics, metal utensils , And rubber products industry. The pen body is made of thick skis, and the long part of the rubber machine uses pumps to keep it clear and vivid for a long time, and it is easy to use.