Supply room packaging can be signed on your behalf. According to the relevant public information, the supply room signature can be signed on behalf of the client, but the premise is that the trustee must be authorized by the client before it can be implemented. Citizens and legal persons can carry out civil legal acts through agents. The agent is within the authority of the agent. Civil legal acts are performed in the name of the agent, so the supply room package can be signed on behalf of the agent.