General industrial sewing machines mainly include: industrial sewing machine; household sewing machine; service industry sewing machine; overlock sewing machine; chain sewing machine, stretch sewing machine.

1. Industrial sewing machine includes: ordinary sewing machine, medium and high speed sewing machine, high speed sewing machine, semi-automatic sewing machine, automatic sewing machine.

2, overlock sewing machine includes: two-line overlock sewing machine, three-line overlock sewing machine, four-line overlock sewing machine, five-line overlock sewing machine.