Chemicals
| Mon 06 Jul 2026
Beijing, July 6 -- Xiangtan Hongda Vacuum Tech Co Ltd has filed a patent application for Vacuum Coating Equipment. This invention was developed by Huang Le, Chen Li, Xue Chuang, Sun Guihong, Tan Yuhao, Zhu Haisheng, Tang Hongbo, Ling Yun and Zou Jianhua.
The patent application number is CN20251242234 20251231. The patent publ..