Engineering
| Tue 15 Sep 2026
Beijing, Sept. 14 -- State Intellectual Property Office of China has awarded a patent to Jiangsu Zhongtian Technology, Shanghai Zhongtian Aluminium Wire Co Ltd, Baotou Zhongtian Photoelectric Cable Co Ltd and Zhongtian Electric Power Optical Cable Co Ltd for Wire Oiling Device Convenient to Clean. Shen Jianjun, Zhou Shuqun, Gu Y..