Guru mechanical works manufactures the twin parallel seams bag sewing machine [model gb-dn] is a bag sewing machine. The company manufactures a variety of sewing machines. The twin parallel seams bag sewing machine is a 2 needle, 2 loopers, 4 thread, twin seams each double lock chain stitch sewing machine for sewing heavy weight laminated jute bags, pp/pe woven cloth bags requiring for extra strength on the seam. The following are its technical features: