selling power saving sewing motor

Main features:
1.Remarkable energy-saving:the motor starts instantly,stops instantly,has no-loading running,and it could save 60%-80% power at least comparing with the clutch motor.
2.Balance output power: its output power matches with need of sewing machine aotumatically,economizing power.
3.Speed set:the changeable range for the motor speed is 100rpm-4000rpm,the speed change is based on 100r seprarated up and down. the maximum speed could be seted or locked when you step the pad to the end.
4.Stepless change speed:the stepless change speed is controled by foot in the operation.
5.Low speed,high torque:the speed of 600rpm starts,and the output power is 3Nm at least.
6.No maintenance,long life:brushless design,not parts damage.
7.Simple structure:small volume,light weight,and the net weight is just 4kg.
8.Super width voltage work:AC140V-260V normal work.
9.One motor much function:it coudld be instead of all the cluth motors within 600W.
10: FAST AND LOW STARTING SET: It coudld be fast and low starting sewing set by starting instantly.