UnionPay (Chinese : 银联; pinyin : Yínlián), also known as China UnionPay (Chinese : 中国银联; pinyin : Zhōngguó Yínlián) or by its abbreviation, CUP or UPI internationally, is a Chinese state-owned financial services corporation headquartered in Shanghai, China. It provides bank card services and a major card scheme in mainland China. More @Wikipedia
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