China  factory custom A3,Website:http://www.shinewayprint.com,A4,A5 Paper file folder cardboard metal ring binder  Product specifications:      SizeA3,A4,A5--Any size welcomematerialAny paper material is welcomeshapeRectangle, square, circular, oval, especial Shape ,modern design, classy style all of this we can offer to youcolorPantone colors as well as the common 4 color (CMYK) process or any color we can produce for you.Surface FinishingEmbossing, Matt Lamination, UV coating