hi! i didn't really get your question about card issuances.. sorry.. are you referring to card issuers, like visa and amex, or types of cards offered by these banks? or the process or how their cards are approved? you could check their websites, however, i'm aware that their websites are not always updated with their new card products..
hsbc.com.ph, metrobank.com.ph, citibank.com.ph, bdo.com.ph