Tools and Machinery
| Fri 06 Feb 2026
Beijing, Feb. 7 -- State Intellectual Property Office of China has awarded a patent to Jilin Carbon Valley Carbon Fiber Co Ltd and Jilin Chemical Fiber Group for Blowback Device of Bag Filter. Shan Xin, Li Kai, Chen Haijun, Lyu Hongyu, Jiang Yanbo, Ren Xiaojun, Shen Huaiyu, Liu Zhonghai, Gan Chao, Liu Chuang, Lu Lei, Li Zhimin, ..