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Green noticeboard , writing board,memo board: specifications: 1. It is composed of high polymer coatings, ultra-thin steel plate(thickness: 0.135 0.2mm), and composite plastic (PE) for both sides, produced by a high-temperature process. The overall panel is flat (flatness>3). Non-deformation, double-sided use, and long life. 2. It uses green baking paint of a low-frequency spectrum, which is well adapted to human eyes (colour code: P/T3305C). 3.The colour achieves clarity and softness. Non-reflective (glare degree ≤10 °) 4.Extreme hard (≥5H ), and with a strong resistance to writing and rubbing needs (400g force ≥100,000 times). SPECIAL GOODS FOR SPECIAL YOU !NIKITA GREEN GIVE YOU GREEN ENVIRONMENT!