侧切刀性能可靠，并可视缝件需或无需切边加工实现单独开关；缝纫配件适用于不同的切边宽度。

There is reliable side cutter ,and can achieve independent switch whether side cutter is necessary or not .The thread cutting items is with auto thread trimmer ,auto back ,eletrical pneumatic presser foot and instantaneous alternating lifting amout.