The processing line is in reasonable design,high automation,stable performance,easy to operate,durable usage,high production efficiency. Pet food has novel shape,distinctive taste,abundant nutrition,easy to digest and other features which are closer to the human beings food.Variety shapes are available for ball, tube, stick, ring, fruit loop, star, wheel and flower and heart shape by adjusting the mould in the extruder. Food grade stainless steel twin screw feeding machine guarantees stable materials feeding in the whole food process.It adopts speedadjusted converter on feeding system, extrusion system and cutting system to finished products are done once time automatically. Visible auto-temperature controlling system, make the temperature-controlling to be more direct-viewing, parameter to be more precise.Pet food generally consists of meat, meat by products, cereal, grain, vitamins, and minerals. General grains, such as soybean meal, corn meal, cracked wheat, and barely, are often used to improve the consistency of the products. The meat is mixed with the other ingredients. Dry pet food has a shelf life of about 10 to 12 months. Some manufacturers add some kinds of vitamins E and C as natural preservatives.