Sports
| Mon 03 Aug 2026
Beijing, Aug. 4 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Wanna Nuclear Power Maintenance Co Ltd for Auxiliary Device for Taking and Mounting Ball Body of Top-mounted Ball Valve. Zhang Boqun, Ren Quanjun, Xu Chenbin, Zhu Ping, Xu Jie, Yin Zhetao, Wang Weidong, Chu Xudi, Zhang Binyun and Shen..