painted steel for chalk board

painted steel for chalk board. Features: 1) Thickness: 0.23mm, 0.25mm, 0.27mm,0.30mm,0.35mm.0.40mm. 2) Width: A) Coil: 1, 200mm, 1, 000mm. 1190mm.890mm. B) Sheet: According to option of our clients 3) This kind of products are used in schools, offices and so on 4) Material: galvanized steel, or cold roll. 5) Surface coating: Special paint especially for writing, such as KCC, Nippon 6) Colors: White, green, black. 7) plain or with grid line.