3004 אלומיניום סגסוגת צלחת אלומיניום צלחת חיתוך אלומיניום מגנזיום מנגן צלחת

In 2021, the metal roof system project of the reconstruction and expansion of the east annex building and the parking lot supporting housing project of Xi'an Station, with a total cost of 1.167 million US dollars, involves: drawing deepening and metal roof system production, transportation, construction, etc.