Mothandizidwa ndi Steel Pipe Branch of China Steel Structure Association (CSPA) ndipo motsogozedwa ndi Tianjin Youfa Steel Pipe Group, 2021 Steel Pipe Export Symposium idachitika bwino ku Tianjin pa Julayi 16.
Pambuyo pa msonkhano, oimira msonkhano wa 2021 wa zitsulo zotumiza kunja kwa chitoliro amapita ku Tianjin Youfa Steel Pipe Group pa Julayi 17.
Nthawi yotumiza: Jul-17-2021