General car sewing, switching needle and line number, it will have three, four, and five wire machine function, it applies to many varieties of small and medium-sized factories, small batch clothing production, used to work clothing, sports clothing, and other medium thickness clothing sewing jobs. General car sewing, switching needle and line number, it will have three, four, and five wire machine function, it applies to many varieties of small and medium-sized factories, small batch clothing production, used to work clothing,