Panbao ecological old hens: Panbao adopts zeolite purification technology to create a "four-zero standard" aquaculture (zero heavy metal, zero antibiotics, zero hormone and zero drug). While removing pesticide residues and drug toxins, it also supplements chickens with a large amount of nutrients required for growth, such as trace elements and minerals, making the taste more sweet and mellow, with no fishy smell, making it a truly nutritious, healthy, delicious and safe ecological food.