The second kind of unpacking inspection of bottle caps Recently, most famous domestic wine bottle caps use aluminum metal anti-theft caps, which are characterized by smooth bottle body, uniform shape, convenient opening, neat and clear patterns and characters on the bottle caps and close cooperation. If it is a counterfeit product, it will often drip out when it is turned upside down, and the cover is not easy to unscrew, and the pattern text is blurred.
You can also add a drop of cooking oil to the wine and watch the movement of oil in the wine. If the oil spreads evenly and sinks evenly in the wine, the quality of the wine is better; If the oil diffuses irregularly in the wine and the sinking speed changes obviously, it can be determined that there is something wrong with the quality of the wine.
You can order wine from a merchant, where everything is authentic. There are no fakes.