Identification of the authenticity of Lancang ancient tea;

1. Observe the packaging: there is no detailed information on the genuine packaging, but the packaging information of the fake is very detailed. The printing quality of counterfeit packaging is slightly rougher than that of genuine packaging, and the printing of trademarks and names is also different.

2. Check the internal ticket: the production of fake tea is neither fish nor fowl, which is obviously different from the genuine one.

3. Observe the surface of dry tea cake: Although the cake type and dry tea seem to have little difference, careful observation shows that the tenderness of the product is slightly higher.

Wu Jin's authentication:

1, observation luster: the real black stone has a strong luster, similar to a mirror, and the fake black stone has a light luster.

2. Smell: The real black stone is tasteless, and the fake black stone has the taste of chemical raw materials.

3, scraping: real black stone scraped without leaving a trace, fake black stone scraped without leaving a trace.