The printing of the fake "Wuliangye" trademark is rough, and the strokes of the three characters "Wuliangye" are broken. The printing ink has a poor finish, the overall color is not full and uneven, and the edges of the fonts are blurry and rough. Looking at the bottle, genuine glass is made of high-quality white material or ordinary white material. It has an elegant shape. The glass is white, transparent, uniform and delicate overall, with no bubbles or wrinkles. The font on the bottle is clear and correct. The fake wine bottles are rough, with wrinkles and bubbles, and the writing on the bottles is not clear. Whether the outer interface (i.e. the lock) of the "Wuliangye" bottle cap is connected evenly and smoothly. Whether there is an anti-counterfeiting mark on the Wuliangye bottle cap and whether the mark is regular.

The Wuliangye bottle cap is made of metal twist-off cap, which is golden in color and has good smooth finish. The factory emblem is printed on the top of the cap, the surrounding fonts are clear and straight, and the lock is flat and smooth. There are two anti-counterfeiting measures on the top of the bottle cap: one is photolithography, and the other is invisible inkjet coding. From January 1, 1994, invisible inkjet printing was used on drum-shaped and crystal-type Wuliangye bottles. Under ultraviolet light, it is visible The blue factory emblem pattern and "W·L·Y" (the Chinese pinyin abbreviation of Wuliangye) have uniform colors, clear lines, clear outlines, and no breaks in the entire pattern. When opening the bottle cap, just twist it slightly in the direction of the arrow to unscrew it. There is no need to use scissors to cut or pry it open.

The counterfeit Wuliangye wine bottle caps have irregular patterns and text, are rough in production, are made of thin aluminum, are dull in color, and have poor smoothness. The level of craftsmanship of the locks is low, uneven and smooth, and some even have concave marks caused by hard objects being squeezed and bumped.

Furthermore, when identifying these fake high-defense covers, you can pay attention to three aspects: First, the fake covers are dark in color and have poor smoothness, and there is often a circle of marks in the middle of the cover body (you can feel it by touching it with your hands); The second is that the adhesion between the printed words on the cap and the plastic is very poor, and it will fall off as long as you scratch it lightly with your fingernails. The third is that the bottle cap cannot be tightened and can keep rotating.