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Needle Felt Filter Bag Automatic Sewing Production Line. Multi-Process Integration: Supports sewing, gluing, hot welding, and PTFE taping in one line. High Efficiency Output: Produces 600pcs 6m filter bags in 8 hours with max speed 10m/min. Patented Needle Protection: Fabric feeds only when needle lifts to prevent bending and extend life. Automatic Thread Break Detection: Six sensors on sewing head automatically stop machine if thread breaks. Quick Changeover System: Touch screen controls head and process changes with hidden hot melt table. CE Certified Manufacturer: Established in 2012 with 21 employees and 2 R&D engineers. OEM/ODM Support: Offers custom services with global shipping via Shanghai Port.