... equipment 5.good price, high quality Specialized Children Books With CD Printingcover: art board over greyboard, 4/0C, ... pen, pencils, and so on.Artwork format:PDF, Adobe Illustrator, Photoshop, Indesign files. At least 300dpi resolution.Packing details:Double ... the product quality.3.Advanced equipments.Our factory equipped with Heidelberg five color offset printing machine, Komori Lithron four ...