... lace sewing machine Available in a straight line,cuve,edge, Welding,cutting,lace embossing,bronzing,binding,etc, ultrasonic lace sewing machine ... steel material is used to make the knurl wheel,the welding head is wearable ,long using life.3) The lace mould is ... to work,and not need to pre-heat. 2. Function Welding,cutting,lace embossing,bronzing,binding,itemizing and etc. 3. Apply ...