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nature : the old paper tea board. A higher intensity of cardboard. Paper closely burst, neat and well-spaced surface smooth, Chahese. After printing, made boxes for packaging educational supplies, cosmetics and other goods used. Usually by combining layers of pages from. Surface materials better, with Unbleached kraft pulp. Core layer and the underlying poor, with waste paper pulp, such as Unbleached pulp. - Pulp, respectively Beating core pulp and sizing, and then in multiple networks cardboard copied into a plane, and by the pressure-ray machine.
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