Tools and Machinery
| Mon 11 May 2026
Beijing, May 11 -- Powerchina Guiyang Engineering Corporation has submitted a patent application for Arrangement Structure of Plane Gate and Hydraulic Machine and Maintenance Method. This invention was developed by Wang Xing'en, Zhan Zhenggang, Tan Shoulin, Zhang Hezuo, Lao Haijun, Gao Wei, Mu Kaicheng, Deng Daren, Lei Xiaoping,..