Computer Controlled Straight Button Hole Machine

PRODUCT DESCRIPTION:Computer Controlled Straight Button Hole Machine1.using step motor in feed mechanism and needle mechanism,the minimum incremen can reach 0.05mm.to realize perfect and stitch. 2.it is possible to set sewing speed to front 5 stitch by panel to realize low speed switch on function.to avoid thread 3.with electrical control.for the final several stitches when bar tacking which can precent the thread of from the buttonhole. 4.with the adjustment of tension solenoid.it is possible to meet the needle of   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1