整理了2019最新银行BIN码大全JSON数据，已整合成JSON数据，数据格式如下："bankName": "邮政储蓄银行", "bankNameEn": "PSBC", "cardName": "绿卡通", "cardType": "绿卡通", "bin": 621096, "nLength": 19, "binLength": 6, "issueid": 1000000