75D/2 pre-wound bobbins

Bottom thread adopts advanced manufacturing technology, reduce line change rate. Good tensile strength to make machine runs fast, not easy to break line to improve work efficiency.

Lower loss and uniform length, not be wasted even not used up at the same time. Finer thread keeps softness sewn embroidery firmer.

Use simply, no bobbin reduces needle breakage due to needle impact on metal bobbin, no knotting, no need to buy metal bobbin, winding machine, eliminating electricity, labor, material costs ,Improve economic efficiency.