Site na Nọvemba 15 ruo 17, mbipụta 23th nke IE expo Guangzhou ka emere nke ọma na China. Mbipụta IE expo dọtara ụlọ ọrụ 437 na ndị ọbịa azụmaahịa 18,155 isonye na e...
Emere ihe ngosi 21st China International Environmental Protection CIEPEC 2023 nke ọma na Beijing - China International Exhibition Center (Chaoyang Hall) site na Eprel 13-15, 2023. Organi...