President Donald Trump will be accompanied on his key trip to China by an entourage of the super rich, boasting a combined net worth in the hundreds of billions of dollars.​ The list of tech and financial industry titans joining the commander in chief to meet China’s president Xi Jinping includes Elon Musk , BlackRock CEO Larry Fink and Apple CEO Tim Cook . Musk posted from Air Force One on Wednesday that he was on his way to Beijing. Trump, who is scheduled to arrive in the country Wednesday evening, confirmed a number of high profile attendees in a lengthy post on Truth Social , albeit referring to Cook as “Tim Apple” in the process.…