1 Look at the horizontal lines of Niulanshan classic Erguotou wine. The filling technology of fake wine is inferior, so the horizontal lines of the same box of wine will be different. The horizontal lines of Niulanshan classic Erguotou wine are unified, and the same method can also be applied to other liquor products.

2 Niulanshan classic Erguotou bottle label font color, bottle label font corners are rough, the color is not bright, and fake wine colors are easy to string together. In addition, the trademark of Niulanshan classic Erguotou has also been changed to a new one. You can look for it. Then try not to buy old bottle labels.

3 Hidden Niulanshan classic Erguotou, if you look at the middle part of any side of the bottle label from the side, there will be a cow's head looming. If you can't see it, you can try it from several angles.

4 degrees low. The aging of Niulanshan classic Erguotou is 42 degrees. Fake wine can only be blended with fragrance, but not with accurate alcohol content.

5 the batch number on the bottle cap, the batch number of the genuine Niulanshan classic Erguotou is stamped, and the red background color of the metal bottle cap leaks out, so the genuine batch number is red and has a concave-convex feeling. The fakes are all painted in black code, and some have no batch number. This must be noted.