Hot Dip Galvanized Steel Pipe Size OD 21.3mm~1620mm(round) Thickness 0.5mm-30mm Length 1-12m or as per customer's requirement Surface Hot dipped galvanized, 20g-275g/m2 Standard GB/T13793-1992,GB...ดูเพิ่มเติม
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Welded Carbon Galvanised Round Steel Tube For Construction