
Needle Felt Filter Bag Automatic Long Cylinder Arm Sewing Machine. Synchronous Feeding Function: Prevents fabric deviation with synchronized needle, tooth, and presser foot movement. Servo Motor Technology: Features electronic positioning, automatic needle positioning, and infinite speed adjustment. High Sewing Efficiency: Max sewing speed reaches 2800rpm/min for high-efficiency production. Long Cylinder Capability: Designed specifically for stitching extremely long cylindrical work pieces and filter bags. Customizable Arm Length: Available in 760mm and 1100mm lengths to suit different production needs. OEM and ODM Services: Full OEM and ODM customization services are available for brand owners. CE Certified Quality: Product meets CE safety and quality standards for international markets. Durable Stitching Quality: Produces straight and beautiful double stitches suitable for thick fabric materials.