国产精品无码AV一区二区三区_丰满少妇三级全黄_亚洲の无码国产の无码影院_国产成人精品一区二区三区

快速適應多種縫制要求,對應縫制的變化,可通過簡單的操作進行從4孔到2孔釘扣形式的變更。

操作方便、省電、高效率、低噪音.壽命長。

 This machine is able to over the stitching mode between 2 holed and 4holed buttons according to any design change. 

 Easyoperation, low electric comsuption, high efficency, low noise, long life-time.