Zhang Huichen's calligraphy has made great achievements very early, and the plaque of Zhongnan Restaurant, once located on Zhichun Road, was written by him. For the construction industry engaged in the early years, it has made outstanding achievements and built many high-quality projects, which are really high-quality, and the maintenance rate is almost zero, which is really rare. He is modest and honest, but his character is resolute, which can be seen from his pen. His calligraphy was once collected by the No.1 leader of the country, and so was the No.1 leader of the DPRK.
So, its words are very collectible.