Chitsimikizo cha Q235b kanasonkhezereka chitoliro Q235b kanasonkhezereka chitoliro ndi mtundu wamba zitsulo chitoliro, makamaka ntchito m'minda monga yomanga, makina, makampani mankhwala, zitsulo, etc. zinthu zake ndi Q235B mpweya structural zitsulo, ndi galvanizing mankhwala akhoza kusintha odana ndi- corrosio ...
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