Shirkii 7-aad ee Qaran ee dhismaha tignoolajiyada ka hortagga musiibada oo lagu qabtay Dongguan, Gobolka Guangdong, laga bilaabo Noofambar 20 ilaa 22, 2019, aqoonyahan Zhou Fulin ayaa booqday goobta bandhigga ee Nanjing JunLi Technology Co., Ltd. si uu u bixiyo hanuun iyo ammaan hydrodynamic si buuxda si toos ah albaabka daad. Guulaha cilmi baarista ee iridda xannibaadda daadinta tooska ah ee hydrodynamic si toos ah ayaa waxaa si weyn u aqoonsaday saddex aqoonyahan, oo kala ah Aqoonyahan Qian Qihu, aqoonyahan Ren Huiqi iyo aqoonyahan Zhou Fulin.
Waqtiga boostada: Jan-03-2020