On March 10th, CCTV2 "Economic Information Network" "Two Sessions Financial Observation" special report that Zhengzuan, as one of the representatives of domestic "specialized, refined and new" enterprises, focuses on technological innovation, continuously strengthens the strength of domestic tools, and starts from high-end precision manufacturing. The subdivision will drive the upgrading of the industrial chain in the future.

On December 22nd, 2021, the two industry technical standards of "Welded PCD spiral end mill" and "Welded PCD ball end mill" formulated by Zhengzuan were approved and promulgated by the Ministry of Industry and Information Technology. The two standards will be officially implemented nationwide from April 1, 2022, marking a new level of our company's standardization work. Up to now, Zhengzuan has presided over the formulation of 11 machinery industry standards and two national standards.