UnionPay means that this card belongs to China UnionPay card organization. Founded in March 2002, UnionPay is a joint bank card organization in China approved by the Central Bank. UnionPay cards are suitable for domestic use, and can also be used in places with the "UnionPay" logo abroad.
VISA means that this card belongs to VISA International Card Organization. VISA international organization is a credit card organization composed of members of international banks. It is a non-profit organization without shares, headquartered in San Francisco, California, USA.