What is the name of the stamps issued by China Post every year?

1. Series of stamps on traditional culture: This series of stamps takes the traditional culture of China as the theme and covers the history, culture, art and other aspects of China.

2. Beautiful China Series Stamps: This series of stamps takes China's natural scenery and historical sites as the theme, showing the beauty of China's landscape, culture and humanity.

3. Animal series stamps: This series of stamps takes various animals as the theme, including rare animals, poultry and pets at home and abroad.