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This mattress tape edge sewing machine is primarily designed for sewing the side edges of spring mattresses and underlying fabrics, and is also suitable for other upholstered products such as mattresses, sleeping bags, and tents.
link:https://www.demingmachine.com/mattress-making-equipment/mattress-tape-edge-machine/mattress-tape-edge-sewing-machine.html
Mattress Tape Edge Sewing Machine