Agricultural
| Mon 26 May 2025
Beijing, May 27 -- Yongji Forest Seed Station has received a patent for korean pine grafting scion protective sleeve. This invention was developed by Liu Kejian, Liu Chongyun, Yang Ling, Xu Jinghua, Zhao Qiang, Yang Yansheng, Cui Dawei, Wen Chengshan, Li Dan, Chen Jiaqiang, Zhang Dongming, Cheng Yaozuo, Zhang Jiafeng and Wang Ha..