How did bamboo wine get in?

1, select bamboo with suitable bamboo age and turn to the sunny side;

2. Punch a pinhole on the sunny side of bamboo to facilitate injection;

3. The oil injection hole should not be too big, and the smaller the better;

4. Fill the needle with wine, and then insert it into the small hole;

5. After complete insertion, start injection and wait for the bamboo to grow for six months.