... per monthMaterial: 20#, Q235, Q215 Pre-galvanized (80g-120/sqm) Technique: ERWSection Shape: roundDimensions: 1/2"-2"Length: 5.8m, 6m, 11. ... : Widely used in construction, bridge, highway, windows of model steel door, machinery, chemical industry, supermarket goods shelf and so on ... inventory guarantee the quick delivery5) We have our own steel mill, so business without a third-party and the ...