... ready for embracing a new future Composite board of the specifications of the:thickness: color plate thickness(mm)0.3-0 ... 1150,1000,950,1130 roof board: 950,980 characteristics of the color composite sandwich plate :high strength,physical . corrosion ... ,constructionconvenient ,earthquake , fire prevention ,rainproof ,long service life,free maintenanceetc.it has been widely used.PackingEach bare coil ...