In China,  if a boy  and a girl are going to determine the marriage relationship, the boy must  go to the girls family and give gifts to the girl, accompanied by his parents or matchmaker. On the day,  The girl's parents will invite their neighbors and relatives to dinner and drink, this is called "Ding Qin Jiu" the Engagement Wine. From then on, their marriage is a foregone conclusion and the marriage contract had come into effect.

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2、Jiao Bei Jiu

This is a very important Chinese traditional customs  in wedding ceremony. In China, there is a saying that no wedding ceremony is complete unless the bride and groom perform the traditional Jiaobeijiu. It requires that the couple must drink from their respective cups while intertwining their arms, without spilling alcohol. The jiaobeijiu is followed by a dutiful toast to each of the newlyweds' parents, then to their relatives and friends.

Drinking Jiaobeijiu, it means that you are in my heart and i am in your heart, which also means their real love will be happiness and endless.

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3. Hui Men Jiu