... ,overcoat,etc.Applicable to a wide rage of materia The machine adopts circularly oil-offerings, little oil-consuming, further improved capability ... sliding can thread take up, self-lubricating can produce two lines of lockstitch, serve for the purpose of sewing shirts, uniforms ... /4"57-1333.43500650*320*67050/52 DY-842A-003 high-speed double needle lockstitch sewing machine