The predecessors of Wanzhou brand beef jerky are as follows, Wanzhou authentic beef jerky brands: Wanzhou Lao Chuanjiang and Master Ran. Chongqing Shihuyuan Food Co., Ltd. was founded in 1981. It is a joint-stock enterprise specializing in the production of "Laochuanjiang" beef jerky series. It enjoys the reputation of "beef expert" in the beef industry. "Master Ran" authentic beef jerky has been officially awarded the honorary title of "China's Famous Trademark" and "Consumers' Favorite Product" many times.