Automobile
| Thu 06 Aug 2026
Beijing, Aug. 6 -- State Intellectual Property Office of China has awarded a patent to Guangzhou Metro Group for Bolt Torque Verification Device for Windscreen Wiper Arm of Motor Train Unit. Wu Yufa, Wang Yongliang, Liu Zhaotang, Deng Min, Qin Chengqiang, Liu Haihui, Zhou Xin, Huang Yan, Xiang Jiahong, Liu Yijun, Zhong Xingda an..