Complying with relevant national and international testing standards, the products are widely used and are used by well-known domestic companies and professional testing institutions, and are exported to Europe, the United States and other countries.The second-generation product adopts digital control technology and is operated through a human-machine interface to achieve accurate measurement data.It can be used to test the writing performance of fiber pens such as markers, fluorescent pens, and whiteboard pens. It is suitable for the latest domestic light industrial industry "Markers for Whiteboards" standard. The scribing handwriting is circular, and the non-circular pen tip such as an axe-shaped pen can rotate on its own. Mark the line after setting the speed to zero.Testable for marking length, initial writing performance, writing performance and other indicators, it is an indispensable testing equipment for pen factories, refill factories and ink factories.