The main weight duplex single black cardboard 180-750g forming a composite processed on 750g, commonly used in frame backplane, gift boxes and other single through the heart of black cardboard 80-750G forming a black cardboard quotes, 750G above can working through the heart of complex double-sided black cardboard 80-700G forming a supply black cardboard, 700G processed more complex whole pulp and paperboard 80-700G molding, 700G processed more complex electro-acoustic black cardboard: 0.7 1MM molding, Loudspeakers spacer specifications to the conventional tablet size: n ° 787 * 1092MM, Liaobu black cardboard, generous 889 * 1194MM conventional package size: 787MM, 889MM large size special rules can be customized [black card Paper product features: a sheet of thick black and uniform surface without white spots, fine paper, good stiffness, mild color stability, do not fade, paper black uniform, good stiffness and smooth paper, physical strength too high, and no elemental chlorine, volatile sulfur, organic and other harmful chemical agents, the products meet national standards on packaging Metals in limited requirements, paper smooth, fine, good print results. Black cardboard manufacturers, environmental black cardboard, black cardboard paper blackness concentrated and uniform surface without white spots, black cardboard wholesale, fine paper, folding is good, smooth surface, good stiffness, tension and good resistance high broken, can green recycling. Liaobu black cardboard, million Nobuhiro paper, duplex single black cardboard provided by the Dongguan City billion letter macro Paper Limited. Liaobu black cardboard, million letter macro paper, duplex single black cardboard Dongguan City billion Nobuhiro Paper Co., Ltd. (www.yixinhong.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page Phone or pictures on obtain the latest information, contact: Mr. Zhou.