Sports
| Tue 04 Aug 2026
Beijing, Aug. 5 -- Zhejiang Chaozhong Valves Made has sought patent for Method for Monitoring and Evaluating Corrosion Condition of Ball Valve. This invention was developed by Wang Zhiyong, Gu Dang, Chen Wei, Wang Junhua, Zhao Dongdong, Liu Zuo, Qu Xiaoshuai, Wang Ting, Kim Jung-ho, Xu Zongce, Yu Cong, Yu Jinwei, You Lihong, Wan..