... ,Hessian,Jute Descriptions:1.This Bag Closing Machine NP-7A GK26-1 is designed for ... Speed(sec/bag):6-7 Seam:Single Thread Chain Stitch Stitch Range(mm.):8.5(fixed) Revolution(rpm,): ... one.) 50-60Hz,Single Phase3.The wear of machine components is reduced and the service life enhanced ... impression of modern artistic design;5.TANI Sewing Machine Parts Quality Assurance. Advantages:Ningbo Heyu International ...