How can a good pen with a little praise be refined?

In order to make a good Chinese pen, efforts must be made in research and development of science and technology. From 2002, K35 and GP1008 products came out, Chinese people first used self-developed push-type neutral pen. By 2012, Morning Light has established a relatively perfect research and development mechanism, constantly conquering the core technology of pen ink, grinding production process, and undertook various national research projects.