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U型 channel size (mm) | Thickness (mm) | Zinc coating (g/m2) | Material |
41*21 | 400-600 | hot dip galvanizing | |
41*41 | |||
41*52 | Galvanized steel Q235/Q420/Q460 | ||
41*62 | |||
41*72 | Zinc aluminum magnesium | ||
41*82 |




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