Single needle heavy duty top and bottom feed sewing machine
1.Synchronizes the feed of upper and lower layers of material by top and bottom feeding mechanism while sewing inflationary materials and latently movable materials of medium and heavy duty weight.
2.Decrease bobbin change frequency and improve sewing efficiency by using large rotary hook
3.Prolongs service life by adopting automatic ubrcating system.
Single Needle Heavy Duty Top And Bottom Feed Lockstitch Sewing Machine