Husbandry
| Wed 08 Apr 2026
Beijing, April 9 -- Tongren Polytechnic College has obtained a patent for disinfectant spraying equipment for disinfecting and killing in pig farm. This invention was developed by Yang Huiru, Yang Honglei, Li Zhenping, Yao Mingye, Yang Han, Li Jianhao, Zhang Baolin, Zhao Daxun, Sun Aiyuan, Shen Xin, Zhou Yuxing, Liu Linxin, Shen..