Our sewing machine spare parts are made of alloy steel by capable specialized workers. we can provide continuous process from CNC machining to heat treatment and assembly. Due to our specialization we know the function of the parts and thus the critical points. we are used to meet even the closest tolerances.all parts out of our factory must be controlled by various inspection tools, rapid measuring tools, and full-scale inspections during the production process to ensure all shipments free from defect.