... 2. strong wind hold 3. powder coating 4. ISO certificate LIGHTING MASTS______________________________________________________________SPECIFICATION(LIGHTING MASTS) Height: 6m, 8m, 10m, 12m, 14m, ... plate: 280mm*280mm*16mm or 360mm*360mm*360mm*16mm_______________________________________________________________________TREATMENT( LIGHTING MASTS )Hot-dipped galvanization, anti-corrosive for 40 years. ...