What is the concave part in the middle of Fenjiu bottle?
The trademarks of genuine Fenjiu are Gujingting trademark, "Fenjiu" and "Fenjiu", which feel concave and convex. Moreover, the patterns and fonts on the bottle are neat and clear, and the handwriting on the fake wine is not clear. The trademark has no concave-convex feeling and is printed according to the usual printing method.