SL5571/SL5572 Single double Needle post bed lockstitch sewing machine with wheel-feed needle-feed /driven roller presser

Adopts double idler wheel and needle feed materials at the same time,
strong slope climbing firce,small change of needle distance,
It can sew sponge,thin leather with even,smooth and inflexibility
It adopts ball and needle bearing with fine lubrication,little attrition,low noise
and long life.
Suitable for sewing riding boot,gym shoes,footwear,leisure shoes,sponge shoes,
baby's shoes,high grade leather shoes and all kinds of cases.