Engineering
| Tue 18 Aug 2026
Beijing, Aug. 19 -- Changchun Gold Design Institute Co Ltd has submitted a patent application for Funnel Turnover Mechanism Free of Disassembly and Maintenance and Method Thereof. This invention was developed by Zhang Jinpeng, Zhao Jiaxu, Guo Hailong, Zhang Yonggui, Li Hongxin, Wei Chengxue, Li Xinfeng, Wang Xiangru, He Mingjie,..