... Button Fixing Machine *General-purpose; *High safety,convenient operation. GZN-1/2/3 Electronic Button Fixing Machine1,Suitable for various materials garmentd ... laser positioning device(on additional order)Note:1,GZN-1 is mechanical controllor ,cheap price2,GZN-2/3 are electricity protecting controllor.GZN ... exports of east Asia,Africa,Europe and America ect. GZN-1/2/3 Electronic Button Fixing Machine