Paper and Pulp
| Wed 26 Aug 2026
Beijing, Aug. 26 -- Chongqing Chuanyi Control Valve has been granted a patent for Ore Pulp Valve. Zhou Zhongyun, Hao Jiaoshan, Jiang Yongbing, Yin Mingyang, Zhang Fenqiang, Su Peng, Zhou Zhiqiang, Yao Xiaosong and Yu Chunlin developed the invention.
The patent application number is CN202520434276U 20250312. The patent publicati..