Mr. Zhengyi real name is Li Zhengfei, from China HaErBin, Heilongjiang Province. He graduated from Harbin University of science and technology. The name of Zhengyi is derived from the sentence "peace and Zhongzheng are consistent". Mr. Zhengyi also hopes that his works can reach the artistic conception of clear, ethereal, clean and flexible. About 30 years ago, due to his obsession with skills, Mr. Zhengyi began to try to design and make hand-made knives, and emerged in the manual circle with almost harsh rigor.