银行代码

代付银行转账的 bank_code 必须是下列值之一。列表由 ST Pay 维护，如有变动会另行通知。

`bank_code`	银行名称
`003`	Standard Chartered Bank (Hong Kong) Limited
`004`	The Hongkong and Shanghai Banking Corporation Limited
`009`	China Construction Bank (Asia) Corporation Limited
`012`	Bank of China (Hong Kong) Limited
`015`	The Bank of East Asia, Limited
`016`	DBS Bank (Hong Kong) Limited
`018`	China CITIC Bank International Limited
`020`	CMB Wing Lung Bank Limited
`024`	Hang Seng Bank Limited
`025`	Shanghai Commercial Bank Limited
`027`	Bank of Communications Co., Ltd. Hong Kong Branch
`028`	Public Bank (Hong Kong) Limited
`035`	OCBC Bank (Hong Kong) Limited
`039`	Chiyu Banking Corporation Limited
`040`	Dah Sing Bank, Limited
`041`	Chong Hing Bank Limited
`043`	Nanyang Commercial Bank, Limited
`072`	Industrial and Commercial Bank of China (Asia) Limited
`128`	Fubon Bank (Hong Kong) Limited
`250`	Citibank (Hong Kong) Limited
`382`	Bank of Communications (Hong Kong) Limited
`387`	ZA Bank Limited
`388`	Livi Bank Limited
`389`	Mox Bank Limited
`390`	WeLab Bank Limited
`391`	Fusion Bank Limited
`392`	PAObank Limited
`393`	Ant Bank (Hong Kong) Limited
`395`	Airstar Bank Limited