2 million to100000 RMB. According to the introduction of financial ladder network, black card, that is, American Express Centurion Black Gold Card, is also called unlimited card. No credit line, no bidding, only bank invitation. Because the overdraft card model of the Centurion Black Gold Card sold in China is also overdraft card, it has a certain credit limit. The credit limit of black gold credit cards sold by ICBC and China Merchants Bank is 2 million to100000 RMB.