Hefei Changqing Machinery Patents – Insights and Stats (Updated 2024)
Hefei Changqing Machinery has a total of 611 patents globally, out of which 374 have been granted. Of these 611 patents, more than 34% patents are active. China is where Hefei Changqing Machinery has filed all their patents. Parallelly, China seems to be the main focused R&D centre and also