Textile
| Thu 12 Nov 2026
Beijing, Nov. 12 -- State Intellectual Property Office of China has awarded a patent to Hefei Changfeng Wanneng Environmental Prot Electric Power Co Ltd for Intelligent Dust Cleaning Device for Cloth Bag. Dai Wei, Yang Yang, Li Zhiyuan, Tong Xiaojun, Nguyen Khoa, Rong Weijing, Liu Qingqing, Kong Huazheng, Liu Jianjian and Fang Y..