Site na Nọvemba 28 ruo Disemba 1, 2018, emere ihe ngosi nke akụkụ akpaaka nke Shanghai Frankfurt na Shanghai Hongqiao-National Exhibition and Convention Center.E gosipụtara ngwá ọrụ ihicha ultrasonic anyị na-emekarị na ihe nhicha dị elu na-ekpo ọkụ na ebe ahụ.Ọ dọtara uche nke ndị ahịa si mba ọzọ.
Oge nzipu: Mee-11-2021