Perhaps you have seen machine stitching 15 mm of plywood in some furniture manufacturer, but can you imagine the toughness of rubber sheet or rubber strap? It is the real challenge to stitch 15 mm thick rubber sheet, without thread burning and needle breakage.
Perhaps you find a single needle industrial sewing equipment to stitch 15 mm rubber strap, but can you imagine sew tough rubber by double needle sewing machine?
From single needle to twin needle, means 2 times of production efficiency and 50% labor cost, can you imagine that?
That's what we do for our clients!