Electrical
								  |  Mon 03 Nov 2025
								
									Beijing, Nov. 4 -- Shanxi Xintai Steel Co Ltd has been granted a patent for Carbon Brush Grinding Device of Synchronous Motor. Song Shizhong, Wu Zhaoliang, Ma Hanjie, Hu Shuxiang, Cao Shengkai, Yue Zhiwu, Wang Xirui and Zhang Yupeng developed the invention.
The patent application number is CN202422357751U 20240926. The patent..