1）Using imported transducer for speed regulation， the speed can be adjusted freely.

2) Accept signal of main frame synchronously， act along with the main frame.

3) With secondary speeding up function，coordinating elasticly with the main frame

4) With function of positive and negative going motion，select freely wire-feeding with left-handed or right-handed rotation.

5) The function of work/adjust is convenient to adjust the main frame.

6）With anomaly diagnostic function. They will shut off automatically when wire feeding abnormally.