Jiannanchun Bronze Age bottle caps are made of zinc alloy. According to the relevant public information, Jiannanchun Bronze Age selected five kinds of food grains from Bashu: sorghum, rice, glutinous rice, wheat, and corn as raw materials. Jiannanchun’s unique national intangible cultural heritage brewing technology has been used for 1,500 years. The historical Tianyi Laohao living cultural relics cellar group special brew, exclusive master? Control, layer by layer selection, and finally become a fine product. The bottle body of Jiannanchun Bronze Age product adopts the shape of Sanxingdui bronze mask, with unique bronze glaze rendering, which is highly recognizable. The outer box continues the turquoise design and is made of high-grade leather, with gold-plating on the top and bottom of the box. The box also contains two small wine glasses in the shape of three-dimensional masks.