I-Tianjin Youfa Steel Pipe Group yayikhona eShanghai Steel Pipe International Expo ngomhlaka-22-26 Septhemba 2020. Indawo yethu yokuma yi-E2E21. Siyakwamukela ukuvakashela.
Isikhathi sokuthunyelwe: Septhemba-25-2020
Isikhathi sokuthunyelwe: Septhemba-25-2020