Retail & Household
| Mon 08 Jun 2026
Beijing, June 9 -- Shandong Jiangjun Tobacco New Material Tech Co Ltd has submitted a patent application for Injection Piece Confluence Device of Visible Cavity Filter Stick. This invention was developed by Sun Jiyong, Xu Zewei, Chu Zhipeng, Zhang Yuanfang, Liu Jie, Li Wenxuan, Xing Yandong, Lyu Junyuan, Ma Hongliang, Xue Qin, Y..