Main configuration "Electric thread cutter+Induction electric eye+DD motor and control system" into "automatic presser foot, thread cutting & suction dust" microcomputer smart new automation sewing products, the operation more simple and easy to use, the focus is on its installation "compatibility" is very strong, all kinds of brand new overlock sewing machine can be installed, use more convenient, more intuitive, more extensive, to industrial sewing technology the new trend of future development.