Footwear
| Thu 09 Apr 2026
Beijing, April 9 -- State Intellectual Property Office of China has awarded a patent to Henan Dazhi Papermaking Equipment and Eng Co Ltd and Henan Jianghe Paper Co Ltd for Lubrication Structure for Rotating Hub of Shoe Sleeve. Jiang Bo'en, Liu Zhuhong, Zhu Hongjun, Li Changguo, Zhao Jianfeng, Sheng Haipeng, Guo Xin, Zhao Bin and..