Without power of attorney, there is no power of attorney. The transfer of company shares does not have to be handled by the parties themselves. If the parties involved in the share transfer cannot be present, they may entrust others to handle it on their behalf. Entrust others to handle the required power of attorney. If there is no power of attorney, the agent has no right to act as an agent, and the civil act carried out by his agent needs to be ratified by the agent to be effective.