Eaer to operate operate put the dress material on the machinestart pedal it can complete with nease change the lnob positon at the right side of the machine head it will realiz the change of stitch both upper and down adopting design of bearded needle it is unnecessary to thread the needle hat put the thread in the bearded needle feeding material in same step both upper and down sewing becomes moreasy cloth material wont be creased length of stitch distance will keep same wide working platform it is cibvebuebt abd flexible when sewing 操作简便，操作员把衣料放在机器上，启动踏板即可轻松完成，变换机头右侧旋转转钮的位置，即实现上下珠点的变换，采用钩针设计，无需穿线线，将线置于钩针即可，上下同步送料，缝制更轻松，布料不会起皱，针距长短保持一致，宽阔的工作平台，使缝纫时更方便灵活。
