A ga-enwe "mba mba" na klaasị ụwa 2021CICEE na changsha International Convention and Exhibition Center site na Mee 19 ruo 22, 2021, yana mpaghara ngosi atụmatụ 250,000 square mita, ndị ọbịa ọkachamara 200,000, 4 nnukwu asọmpi asọmpi na ọgbakọ mba ụwa 28. , ijikọ nzukọ mba ụwa, mmemme mba ụwa, mgbanwe teknụzụ dị oke ọnụ ahịa, yana ngosipụta ụdị ụlọ ọrụ zuru ụwa ọnụ.
Oge nzipu: Eprel-22-2021