A ranar Dec 2nd, 2020, Nanjing Municipal Bureau of Saving and Administration ya sanar da wadanda suka lashe "Nanjing kyakkyawan lambar yabo ta lambar yabo" a cikin 2020. Ƙirƙirar haƙƙin mallaka na Nanjing Junli Technology Co., Ltd. award".
Hydrodynamic ta atomatik tana jujjuya fasalulluka na shinge don ƙirar ƙira da ingantaccen kariya ta ambaliya ba tare da wutar lantarki ko gadin ma'aikata ba.
Lokacin aikawa: Fabrairu-03-2021