Retail & Household
| Wed 28 Oct 2026
Beijing, Oct. 28 -- Sailun Dongying Tire has been granted a patent for Automatic Adjusting Type Trolley Braking Device. He Hui, Jiang Changjiang, Zhang Jiahao, Guo Wei, Ma Congwei, Yang Antong, Yang Tengfei, Gao Lei, Dai Huansuo, Xing Wenliang, Zhu Yongfeng and Zhang Xiyang developed the invention.
The patent application numb..