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Paper bulk is a key indicator that determines product thickness, hand feel and packaging applicability. Many paper mills face the dilemma of low paper bulk and compact texture, which makes it impossible to meet the market demand for high-bulk, light-weight and high-quality paper products. Simply increasing pulp dosage to improve thickness will lead to a sharp rise in raw material costs, while traditional bulk improvement methods often cause strength attenuation and unstable paper performance. Shandong Ludao Energy Technology Co., Ltd. provides professional paper bulk optimization solutions. Through unique fiber structure adjustment technology and high-efficiency bulk-enhancing auxiliaries, we optimize the combination form and internal gap structure of paper fibers, significantly improve paper bulk and fluffy hand feel without increasing pulp consumption and damaging paper strength. The technology is widely suitable for packaging paper, tissue paper and cultural paper. It enables enterprises to produce lighter and thicker high-quality paper with the same raw material input, effectively reduce unit pulp cost, and create obvious product differentiation advantages in the homogeneous market.