Well, no again: it's not "secret" - read 'nefarious' - simply because you didn't know about it, and was opened to pay taxes there for biz exploration activities there 2013 to 2015 and been inactive since. That's in his "secret tax returns" and doesn't change an iota his correctly identifying China as the greatest geopolitical and economic threat facing the U.S. while Joe's still shouting "Russiaaaah!". Biden touts being Wall St.'s poster boy as they encourage business as usual with China to the detriment of this country, the Biden clan has done damn well "secretly" using the Veep as their currency, it would appear. Now contrast that with Trump's actions regarding China; really no contest, is it?
You've presented no proof he or family are benefitting financially from his presidency and your claim he is, is plainly peeing into the wind of facts.