The Ministry of Finance is the financial management institution in China, which is mainly responsible for the formulation and implementation of national fiscal policies, as well as the management of fiscal revenue and the budget implementation of expenditures. Although China UnionPay plays an important role in the financial field, its responsibilities and operation mode are different from those of the Ministry of Finance, so there is no plan to hand it over to the Ministry of Finance.
Please note that this is an answer based on published information. The situation may change if there is the latest relevant policy or decision. If you need to know the specific policy changes, you are advised to consult official channels or relevant professional institutions.