1. Differences in the printing process of front trademark paper

The genuine trademark paper uses transfer cardboard and gravure printing. The "evil evil" pattern uses embossing and hot stamping technology, and there are bumps and convexes when touched by hand. The edge stamping and overprinting are accurate, and the "warning" font strokes are even and thick.

The fake cigarettes are printed with high-definition scans and imitations, and the "evil-proof" pattern uses ordinary hot stamping technology. The concave and convex feeling is not obvious when touched by hand. There are deviations in the hot stamping overprinting on the edges. The distinguishing picture of real and fake red Nanjing cigarettes has "warning words". "The font strokes are uneven and thin, which are obviously different from the original features.

2. Differences in the printing process of the back trademark paper

The authentic trademark paper uses transfer cardboard and is gravure printed. The horizontal line at the bottom of the back city wall does not overlap with the warning dividing line. The horizontal line at the bottom of the city wall on the back of the fake cigarette overlaps with the warning dividing line. There are obvious differences between the distinguishing diagram of real and fake Red Nanjing cigarettes and the characteristics of the genuine product.

3. Differences between heat sealing on the side of the small box and the thread-pulling head

Genuine cigarettes are machine-sealed and formed in one go. The seal is relatively flat, and the thread-pulling head is a regular semi-elliptical shape, and the edges are smooth. Fake cigarettes are generally sealed with a manual electric soldering iron. The seal has large wrinkles, the thread puller is small and semicircular, and the edges are rough. There are obvious differences between the distinguishing diagram of real and fake Red Nanjing cigarettes and the characteristics of the genuine product.