A finished product having long lasting crispness in milk due to minimal damage of the cereal's starch structure during processing thanks to the particular process conditions. An end product exhibiting the best combination of texture, colour and flavour base on an accurate control of the conditioning, drying and toasting stages of the process. Unlimited choice of shapes and formulae for shaped cereal such as stars, crispies, pillows, rings, stars etc. Simple and fast possibility of intercombing the two over mentioned lines, in order to obtain the widest range of products with minimum expense. 1 Raw material mixer 2 twin screw Extruder 3 shaking cooler 4 air conveyor 4 Presser 5 three layers Oven 6 air heater7 sugar sprayer8 dryer 9 cooler 1.the petfood processing line can use corn ,rice and other grain as the main materials,with cheese, chocolate as stuffing materials,which can mixed with york milk powder and gingili sause 2.we can feed the stufing into extrusion food just before it is extruded from extrusion ,this kind of food tastes nutrious and delicious.