Husbandry
| Thu 12 Nov 2026
Beijing, Nov. 12 -- Shandong Shuanglong Machinery Equipment has been awarded a patent for Material-saving Type Pig Feeding Trough. This invention was developed by Ding Xinhong, Zhang Feng, Dong Tianyi, Chen Xinglun, Wang Zhenyuan, Cao Guo, Sun Bin, Wang Zhitong, Liu Guiyang and Song Guoqiang.
The patent application number is CN..