Applicable to regular light materials, medium heavy and heavy fabrics such
as knitting wear, shirt, T-shirt, leisure wear, jeans.
1. Soft noise, fast speed, steady and enduring especially when sewing unde
rwear, jeans, coat's turning and decorative parts.
2. Synchronical feed of the needle bar and feed dog to avoid distraction.
Steady and beautiful in stitch, free adjust available.
3. Adopt inside oil box to realize cycling oil supply.
4. option: -3 light and medium duty -5 heavy duty.