The new double mouth grinder is a crushing grinding equipment designed by Zhengzhou Xinfei company. It is a device that Xinfei company combines the latest technology in the country. On the basis of the absorption of a variety advantages of crushers, the XF new double mouth grinder designed by full use of the theory of assaulting, counterattacking, grinding. The whole XF new double mouth grinder just uses one motor. It owns some advantages such as simple structure, compact layout, low price , stable-working, low energy consumption, high production, the finished sawdust has good quality, low-processing cost. The ability of this machine is strong. It not only cuts rough and a large diameter logs, but also makes the log into sawdust. It owns some advantages like small particle size of sawdust after crushing, wood wool fibers is obvious and the material out from port evenly.