1. Unique bridge plus arm structure which is suitable for large size sewing with high speed, stable working and high precision;
2. With barcode scanning function to change pattern faster;
3. Able to change bobbin thread on tabletop;
4. Down-proof technology to advoid down leaksge during sewing;
5. Elastic presser foot with lifting function on sewing head;
6. Template positioning detective function, four design patterns circulate function;
7. Bobbin thread counter enabel to provide bobbin thread capacity alert by bobbin thread comsumption or number of sewing pieces made.
