Does Shanghai UnionPay need to pay back the transfer of 0.0 1 yuan?

No need. According to the inquiry of official website of Shanghai UnionPay Commercial Co., Ltd., the transfer of 0.0 1 yuan by Shanghai UnionPay is for testing purposes, which does not involve overdue repayment or handling business, and does not need to be returned. Established in 2003, Shanghai UnionPay Business Co., Ltd. is located in Shanghai, and is an enterprise mainly engaged in software and information technology services. Its main business scope is the development of bank card related software, MIS system and related software, the technical development of magnetic card products and network systems, and the development of computer software and hardware and auxiliary equipment.