C50 as a frequency variable speed intelligent glue machine, faster speed, more accurate positioning. The use of new side glue patented technology and finishing glue patented technology to improve the structural strength of books to increase the stability and durability of books. The new finishing glue structure makes the base glue more stable, and effectively solves the problems left over by the clamping table glue. The machine comes with a 7 "touch screen, which is more intuitive and easy to operate.