One-card WeChat official account: cmbchina-95555 (China Merchants Bank). Binding cards is temporarily not supported.
Credit card WeChat official account: Pay attention to the "China Merchants Bank Credit Card" of WeChat official account and enter the "bind account" operation.
Hong Kong One Card WeChat official account: CMBHONGKONG95555 (China Merchants Bank Hong Kong Branch) does not support binding cards for the time being.
(Response time: March 28th, 2022. Please refer to the latest business changes announced by China Merchants Bank in official website. )