GK80700 double needles four thread jumbo bag sewing machine

1.top and bottom feed mechanism.
2.double needle four thread ,Two independent rows of chain stitch(401)
3.more space working space
4.with automatic foot lifter and hot thread cutter
5.high performance for strong side seams on big bags, container bags, jumbo bags, bulk bags, ton bags which made of jute, burlap and PP woven. Also suitable for geotextiles sewing applications.