A gun taron kasa karo na 7 kan gina fasahar rigakafin bala'o'i da aka gudanar a birnin Dongguan na lardin Guangdong daga ranar 20 zuwa 22 ga watan Nuwamba, 2019, masanin ilmin kimiyya Zhou Fulin ya ziyarci tashar baje kolin fasahar kere kere ta Nanjing JunLi Technology Co., Ltd., don ba da jagoranci da yabo ga kofa mai karfin ruwa mai sarrafa kanta. Nasarorin binciken da aka samu a kofa na katangawar ambaliyar ruwa da aka samu daga masana ilimi guda uku, da suka hada da Malami Qian Qihu, masanin ilimi Ren Huiqi da masanin ilimi Zhou Fulin.
Lokacin aikawa: Janairu-03-2020