The preserved beef and mutton of the old boy "Picking Branches" is mainly fresh meat with normal bones, supplemented by green salt, mirabilite, star anise, cinnamon, pepper, tsaoko, fennel and other auxiliary materials, and is cooked by cutting blanks, curing meat, batching, boiling and coloring. Fine selection of materials and exquisite craftsmanship. Choose sheep with round tail, thick waist and short legs and grow for about two years. Salted meat should be sprinkled with refined salt and mirabilite and marinated in a water tank until the meat is red. Bittern soup is a century-old soup. Old well brine is used for water. Coupled with complete auxiliary materials, proper firepower and unique flavor, it enjoys a good reputation throughout the country.

At present, the Qizhipo brand beef and mutton jerky produced by Laotongjia beef and mutton jerky processing factory is packed in paper boxes, and high-grade pigment-free vacuum sealed soft bags are added, which is convenient for domestic and foreign travelers to carry.