Tools and Machinery
| Sat 24 Oct 2026
Beijing, Oct. 23 -- Guohua Hami New Energy has submitted a patent application for Filtering Structure and Waste Oil Recycling Device. This invention was developed by Wang Jianglong, Li Fahong, Sun Xiaolei, Bai Yufa, Wang Yongchang, Xia Jie, Gao Pu, Dong Hao, Jia Zhichao, Zhang Maolin, Sun Tianyu, Li Zhenquan and Li Hui.
The p..