Tools and Machinery
| Sat 18 Apr 2026
Beijing, April 18 -- Jiangsu Luoyun Water Conservancy Project Administration and Hunan Tianshang Tech Co Ltd have applied Chinese patent for Water Pump Blade Angle Adjusting Mechanism. Wang Yan, Pan Weifeng, Su Zhenjun, Liu Yi, Liu Yuqing, Jiang Tao, Li Gang, Dai Yigao, Lyu Xiaohui, Zhang Jingjian, Ye Kuicheng, Wang Hairong, Zha..