Cant sell what China already have
He can sell off Australia in exchange for China letting US keep its economy intact
We can move all the Chinese Canadians to Australia and Caucasian Australians to Canada. The Canadians will be warm for once in their lives and the Australians don’t have to deal with a thousand species of deadly animals.
When all is said and done the Three Eyes Empire will come out of the Five Eyes Alliance. So Trump will pretty much be Erlang.