Product pdescription:

This machine adopts mechanism back-roller device. Upper roller can run at same speed with machine.
According to different fabrics, you can choose plastic gear roller or rubber flat roller.
New type needle bar oil-back system, no possibility of oil leakage.
Needle bar transmission structure, adopt all-sealed design, more safe and easier to keep clean.
Complete automatic supply system and oil-filter device, ensure the max sewing speed to be 5500r.p.m.
Some key parts are imported from Japan, which enhance the wear-resistance of the machine.
The circumference of sewing body is just 280mm, suitable for some small round parts such as collar and sleeve etc.