Production Line Configuration: M: 380mm x 210mm, L: 420mm x 220mm, XL: 480mm x 220mm, XXL: 520mm x 220mm; Production Structure: Upper and lower toilet paper, SAP blended cotton core or absorbent core, flow guiding layer, waterproof fabric (3D retaining), non-woven top layer, PE film, 3D rubber band, leg rubber band, front waist sticker, elastic earband (zero waste), S cut (front earband); Control System: PLC control with touch screen human-machine interface, equipped with a high-definition TV monitor; Drive System: Entire machine uses servo drive for accurate line speed and digital numbering; front waist sticker and bottom film use servo positioning cutting to ensure pattern and phase alignment; Tension System: Equipped with tension unwinding system, constant tension control, and material storage mechanism, material bias correction system. This constant tension system ensures stable material collection at full speed, reduces impact on material tension, and decreases downtime. Safety System: The operating surface is equipped with safety protection devices, including emergency stop switches and safety signs, the rear transmission has a safety pull cord, and the high-frequency fan uses soundproofing or noise reduction devices. Bias Correction System: BST Bias Corrector (optional)