once.

According to the relevant information of Chengdu Giant Panda Breeding Research Foundation, the donation from Chengdu Giant Panda Base is for the account, so as long as the account is in a normal state, donations can be made repeatedly. However, each account can only be donated once, and you need to wait for the end of the donation project after donation. If you need to donate again, you need to create a new account.

please note that you should carefully confirm the requirements and conditions of the donation items before making donations to ensure that they are in line with your wishes and abilities. At the same time, it is also recommended to consult relevant institutions or official channels before making donations to obtain more accurate information and suggestions.