Dog chews food is made of many kind of different materials with scientific configuration and extruded from extruder, it can be made into many kind of shapes such as stick㿿bone ect. This kind of food not only provide nutrition to dogs, like protein㿿fat㿿vitamin ect, but also satisfy the dog nature hobby . strong teeth㿿clean mouth and teeth, avoided disease, . The products can be in many shapes, like twist, double colors, core-filled, and so on.