Generally, the bottle body of red wine is coded with the bottle cap on the front or back of the trademark, but it cannot be separated from the bottle body. Foreign labels are often coded on rubber caps, but the date is not directly coded, but different codes, such as L5308 14: 15, L5 is 2005, and the 308th day is about 1 1.8.

Domestic wines are usually marked with Chinese labels on the back or rubber cover. Dealers will print Chinese labels themselves, or look at the code on the bottle body or cap. The date of production of imported red wine is specially marked.

Classification of red wine

Sweet sparkling wine is a kind of sweet sparkling wine because it contains a certain amount of carbon dioxide to form bubbles. Carbon dioxide is fermented by wine, and naturally forms sparkling wine with sugar content greater than 50. 1 g in bottles or large wine storage tanks.

Dry sparkling wine refers to dry and sweet sparkling wine, because it contains a certain amount of carbon dioxide to form bubbles. Carbon dioxide is fermented by wine and naturally forms sparkling wine with sugar content less than 50. 1 g in bottles or large wine storage tanks.

Noble wine is a very precious sweet wine, which originated in Hungary. It is brewed by the action of a kind of noble mold attached to the grape skin, hence the name noble wine.

White wine is made from white grape varieties, and its color is light yellow or peeled. Common white grape varieties are Chardonnay, Sauvignon Blanc, Riesling, Gray Pi Nuo, Semillon and Qiong Yao pulp.