Petrochemicals
| Wed 01 Apr 2026
Beijing, April 1 -- Shandong Shouguang Luqing Petrochemical Co Ltd has submitted a patent application for Lubricating Grease Filling Device. Wang Kai, Wang Rongxiang, Zhu Junjie, Cao Liping, Zhang Jianlin, Li Qingfeng, Zhang Jikong and Han Chaoting developed the invention.
The patent application number is CN202511191593 20250..