Construction-Material-ASTM-A53-Schedule-40-Galvanized-Steel-Pipe-Gi-Steel-Tubes-Zn-Coating-60-400G-M2-with-High-Quality-Dn100X3-5mm-Galvanized-Steel-Pipe

Material de Construção ASTM A53 Horário 40 Tubulação de aço galvanizada, Gi Tubos de Aço Zn Coating 60-400G / M2 com alta qualidade, Dn100X3.5mm galvanizado Steel Pipe