This article provides a systematic introduction to how a traditional single-line biscuit factory can be upgraded into a double-layer laminated biscuit production line. It covers every key stage, including equipment assessment, layout redesign, lamination and sheet bonding technology, forming and cutting, tunnel oven calibration, cooling and packaging, as well as staff training and quality validation. Through these solutions, factories can achieve large-scale production of double-layer biscuit products with relatively low investment while significantly improving market competitiveness.
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