^with the synchronized feeding of needle,feed dog and presser foot.

^The machine can prevent the slippage of materials and form neat stich.It is equipped with sliding thread take-up and vertical double ratating hook, which can form two paralleled lines of lockstich,

^This machine may mating electronic control motor, So it can  control the needle always on cloth or under the cloth when machine stop in the sewing course. In that case. the staff do not need to ratate hand wheel frequently when stop the machine.which makes the operation more convenient.

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