the main cardholder of BOC series of Bank of China can temporarily increase the subsidiary card under his name, and the subsidiary card of Great Wall series enjoys the line with the main card. After the temporary increase of the main card, the line of the subsidiary card will be increased synchronously. Function entrance: credit card-quota management-temporary quota adjustment of supplementary cards. The temporary increase operation of BOC series supplementary cards is the same as that of the main card.

the above contents are for your reference. please refer to the actual business regulations.

if you have any questions, please contact online customer service of Bank of China.

you are cordially invited to download and use China Bank Mobile Banking APP or BOC Cross-border GO APP to handle related business.