Ixhaswe yi-Steel Pipe Branch of China Steel Structure Association (CSPA) futhi isingathwe yi-Tianjin Youfa Steel Pipe Group, i-2021 Steel Pipe Export Symposium ibanjwe ngempumelelo eTianjin ngomhlaka-16 kuJulayi.
Ngemva komhlangano, abameleli besithangami sokuthunyelwa kwamanye amazwe kwamapayipi ensimbi sango-2021 bavakashela iTianjin Youfa Steel Pipe Group ngomhlaka-17 kuJulayi
Isikhathi sokuthunyelwe: Julayi-17-2021