Leather case machine equipped with negative pressure adsorption function
　　Leather case machine, just as its name implies is a machine used for hardcover book cover, such as the xinhua dictionary, we use the shell, shell hardcover machine is made of shell some book shell machine using light refraction, reflection principle, adopts center positioning method, meet the demand of users quickly operation;
　　Leather case machine equipped with negative pressure adsorption function, make the cover more level off, do not run; Books shell machine with precise cutting Angle of function, the different need to adjust the thickness of the cardboard can be cut out of specification standard covers the cutting Angle.
　　And trimming function of leather machine, as invented by Chinese companies. Equipped with double rubber roller bag edge device, more quickly the production of standard hardcover and shell; Book cover to cover, cardboard and pitch diameter plate can be adjusted accurately positioning