Tools and Machinery
| Sun 11 Jan 2026
Beijing, Jan. 12 -- State Intellectual Property Office of China has received Henan Pinggao Electric patent application for Large Barrel Rolling Bracket and Large Barrel Rolling Device. Ding Sen, Li Xiaoxiang, Jia Yidan, Liu Jingyu, Zhou Haixiong, Hu Zhonghui, Li Fuming, Zheng Yanzhao, Ji Yu, Li Mingyang, Yan Jianlin, Zhao Zijuan..