Jumbo bag closing sewing machine is suitable for sewing FIBC,sling to the bag body. Big bag closing sewing machine is particular free-form stitching; FIBC bag closing sewing machine is supper capacity bobbin and large working space; Jumbo sack closing sewing machine is flat bed,single needle,horizontal hook; Big sack closing sewing machine is upper and lower feed; FIBC sack closing sewing machine's stitch range: 0-12.7mm Bag closing machine's max. speed: 1,600rpm Sack sewing machine's large rotating hook