Fund sales system. According to the understanding of official website Postal Savings Bank, the asset management plan business on consignment, that is, fund consignment business, refers to accepting the entrustment of fund companies, handling the subscription, subscription and redemption of open-end funds in accordance with the principal-agent agreement, and handling it in the fund sales system. China Postal Savings Bank can be traced back to the postal savings business started in 19 19. Large state-controlled commercial banks.