1. lt has the synchronization function ofneedle pitch and differential momentum:when the needle pitch changes, the upper differential momentum can be changedsynchronously.

2. Feeding method: The feeding presser foot and lower teeth are used for compositefeeding, and the upper feeding amount is adjustable.

3. With synchronization and differential functions: the upper differential feed amountis adjusted by the plus and minus symbols on the control panel, and synchronousfeeding or differential feeding, can be adjusted as needed, realizing low-tensionsewing and suppressing wrinkles, sewing misalignment, etc. question.

Mechanical mop wheel

Buttons with voice