In addition to the clear and transparent appearance and unique amber color of the Chinese Jinjiu series products, they can also be identified by the outer packaging: (1) 125ml Chinese Jinjiu, bottle cap: "JING" on the top is printed with temperature-changing ink. It will change from black to colorless when heated with fire, and then return to black after cooling. There are three rows of inkjet markings on the cover body. The first row is the production date and shift, and the second row is Random anti-counterfeiting code, the third row is the product batch. (2) Bottle body: The bottle shape is a patented bottle shape, with the words "Jinpai Co., Ltd." and the mold number on the bottom of the bottle. (3) Label: For 125ml of Chinese liquor, there are clear traces of glue on the back of the label when viewed through the wine liquid, and there are "clearly visible horizontal lines" on the back of the label.