SX-01-type sewing machine is the page of a book with stickers, thin book, a book by sewing the core of the machinery. If the core paperback, hardcover book core, thin core book, album and so on.

SX-520 lock line machine is a section plus speed—adjusted safety cover increase the breadth machine，make more suitable for each xize printing and binding plants．

This machine is suitable for all kinds of books，hardcover books，hard copy books shell．Variable frequency speed control，simple operation，More suitable for all kinds of printing，binding factory．